3215 lines
119 KiB
PL/PgSQL
3215 lines
119 KiB
PL/PgSQL
-- It starts a transaction during the PMK installation
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START TRANSACTION;
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CREATE SCHEMA pmk;
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-- PMK Configuration table
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CREATE TABLE pmk.pmk_configuration
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(
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config_param_name varchar(64) NOT NULL
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, config_value text NOT NULL
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, PRIMARY KEY (config_param_name)
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);
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-- Snapshot (statistics collection) information
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CREATE TABLE pmk.pmk_snapshot
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(
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snapshot_id int -- Snapshot ID (Running number)
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, current_snapshot_time timestamp with time zone -- Time at the beginning of the snapshot
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, last_snapshot_time timestamp with time zone -- Time at the end of the snapshot; the actual time the snapshot was taken
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, creation_time timestamp with time zone -- Time the snapshot was created
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, PRIMARY KEY (snapshot_id)
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);
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CREATE INDEX ix_pmk_snapshot_time ON pmk.pmk_snapshot (current_snapshot_time DESC);
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-- Statistics for each node
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CREATE TABLE pmk.pmk_snapshot_datanode_stat
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(
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snapshot_id int -- Snapshot Id
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, node_id int -- node id from pgxc_node
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, node_name text -- node name from pgxc_node
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, node_host text -- node host from pgxc_node
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, last_startup_time timestamp with time zone -- last restart time of the node before snapshot starts
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, number_of_files int
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, physical_reads bigint
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, physical_reads_delta bigint
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, physical_writes bigint
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, physical_writes_delta bigint
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, read_time bigint
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, read_time_delta bigint
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, write_time bigint
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, write_time_delta bigint
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, db_size bigint
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, active_sql_count int
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, wait_sql_count int
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, session_count int
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, xact_commit bigint
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, xact_commit_delta bigint
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, xact_rollback bigint
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, xact_rollback_delta bigint
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, checkpoints_timed numeric(40,0)
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, checkpoints_timed_delta numeric(40,0)
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, checkpoints_req numeric(40,0)
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, checkpoints_req_delta numeric(40,0)
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, checkpoint_write_time double precision
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, checkpoint_write_time_delta double precision
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, physical_memory bigint
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, db_memory_usage bigint
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, shared_buffer_size bigint
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, session_memory_total_size bigint
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, session_memory_used_size bigint
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, blocks_read bigint
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, blocks_read_delta bigint
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, blocks_hit bigint
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, blocks_hit_delta bigint
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, work_memory_size bigint
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, sorts_in_memory bigint
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, sorts_in_memory_delta bigint
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, sorts_in_disk bigint
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, sorts_in_disk_delta bigint
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, busy_time numeric
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, busy_time_delta numeric
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, idle_time numeric
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, idle_time_delta numeric
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, iowait_time numeric
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, iowait_time_delta numeric
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, db_cpu_time numeric
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, db_cpu_time_delta numeric
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, PRIMARY KEY (snapshot_id, node_id)
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);
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CREATE INDEX ix_pmk_snapshot_dnode_stat_node_name ON pmk.pmk_snapshot_datanode_stat (UPPER(node_name), snapshot_id);
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CREATE TABLE pmk.pmk_snapshot_coordinator_stat
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(
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snapshot_id int -- Snapshot Id
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, node_id int -- node id from pgxc_node
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, node_name text -- node name from pgxc_node
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, node_host text -- node host from pgxc_node
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, last_startup_time timestamp with time zone -- last restart time of the node before snapshot starts
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, number_of_files int
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, physical_reads bigint
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, physical_reads_delta bigint
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, physical_writes bigint
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, physical_writes_delta bigint
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, read_time bigint
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, read_time_delta bigint
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, write_time bigint
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, write_time_delta bigint
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, db_size bigint
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, active_sql_count int
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, wait_sql_count int
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, session_count int
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, xact_commit bigint
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, xact_commit_delta bigint
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, xact_rollback bigint
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, xact_rollback_delta bigint
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, checkpoints_timed numeric(40,0)
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, checkpoints_timed_delta numeric(40,0)
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, checkpoints_req numeric(40,0)
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, checkpoints_req_delta numeric(40,0)
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, checkpoint_write_time double precision
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, checkpoint_write_time_delta double precision
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, physical_memory bigint
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, db_memory_usage bigint
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, shared_buffer_size bigint
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, session_memory_total_size bigint
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, session_memory_used_size bigint
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, blocks_read bigint
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, blocks_read_delta bigint
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, blocks_hit bigint
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, blocks_hit_delta bigint
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, work_memory_size bigint
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, sorts_in_memory bigint
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, sorts_in_memory_delta bigint
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, sorts_in_disk bigint
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, sorts_in_disk_delta bigint
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, busy_time numeric
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, busy_time_delta numeric
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, idle_time numeric
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, idle_time_delta numeric
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, iowait_time numeric
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, iowait_time_delta numeric
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, db_cpu_time numeric
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, db_cpu_time_delta numeric
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, PRIMARY KEY (snapshot_id, node_id)
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);
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CREATE INDEX ix_pmk_snapshot_coord_stat_node_name ON pmk.pmk_snapshot_coordinator_stat (UPPER(node_name), snapshot_id);
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-- Table to maintain PMK meta data
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CREATE TABLE pmk.pmk_meta_data
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(
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pmk_version varchar(128)
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, last_snapshot_id int
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, last_snapshot_collect_time timestamp with time zone
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, PRIMARY KEY (pmk_version)
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);
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CREATE OR REPLACE FUNCTION pmk.check_node_type
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RETURNS TEXT
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AS
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$$
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DECLARE l_node_type CHAR(1);
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BEGIN
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SELECT n.node_type
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INTO l_node_type
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FROM pgxc_node n, pg_settings s
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WHERE s.name = 'pgxc_node_name'
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AND n.node_name = s.setting;
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IF l_node_type = 'D'
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THEN
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RETURN 'ERROR:: PMK commands can not be executed from data node. Please execute it from coordinator.';
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ELSE
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RETURN NULL;
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END IF;
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END;
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$$
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LANGUAGE plpgsql;
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CREATE OR REPLACE FUNCTION pmk.check_pmk_enabled
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RETURNS TEXT
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AS
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$$
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DECLARE l_pmk_enabled_i TEXT;
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BEGIN
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SELECT UPPER(config_value)
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INTO l_pmk_enabled_i
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FROM pmk.pmk_configuration
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WHERE config_param_name = 'Enable PMK';
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IF l_pmk_enabled_i = 'FALSE'
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THEN
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RETURN 'ERROR:: PMK should be enabled to use the PMK features.';
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ELSE
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RETURN NULL;
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END IF;
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END;
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$$
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LANGUAGE plpgsql;
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-- This function is used to find the PMK version
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-- If it is executed from a data-node, it throws the appropriate error.
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CREATE OR REPLACE FUNCTION pmk.pmk_version ( )
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RETURNS varchar(128)
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AS
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$$
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DECLARE l_pmk_version varchar(128);
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l_error_message TEXT;
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BEGIN
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l_error_message := pmk.check_node_type();
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IF l_error_message IS NOT NULL
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THEN
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raise notice '%',l_error_message;
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RETURN 'f';
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END IF;
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l_error_message := pmk.check_pmk_enabled();
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IF l_error_message IS NOT NULL
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THEN
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raise notice '%',l_error_message;
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RETURN 'f';
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END IF;
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SELECT pmk_version
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INTO l_pmk_version
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FROM pmk.pmk_meta_data;
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RETURN l_pmk_version;
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END;
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$$
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LANGUAGE plpgsql;
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-- This function is used to configure the PMK configuration parameters
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-- -1 indicates all the statistics collection should be retained.
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-- Atleast one statistics collection should be retained in the database.
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CREATE OR REPLACE FUNCTION pmk.configure_parameter
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( IN i_config_param_name varchar(64)
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, IN i_config_value text
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)
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RETURNS boolean
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AS
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$$
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DECLARE l_collect_count_value INT;
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l_config_value TEXT;
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l_upper_config_param TEXT;
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l_error_message TEXT;
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BEGIN
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l_error_message := pmk.check_node_type();
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IF l_error_message IS NOT NULL
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THEN
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raise notice '%',l_error_message;
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RETURN FALSE;
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END IF;
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l_upper_config_param := UPPER(TRIM(BOTH ' ' FROM i_config_param_name));
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l_error_message := pmk.check_pmk_enabled();
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IF l_error_message IS NOT NULL
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AND l_upper_config_param <> 'ENABLE PMK'
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THEN
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raise notice '%',l_error_message;
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RETURN FALSE;
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END IF;
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IF i_config_param_name IS NULL
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THEN
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l_error_message := 'ERROR:: Null should not be provided for configuration parameter name.';
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raise notice '%',l_error_message;
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RETURN FALSE;
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END IF;
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IF i_config_value IS NULL
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THEN
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l_error_message := 'ERROR:: Null should not be provided for configuration value.';
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raise notice '%',l_error_message;
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RETURN FALSE;
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END IF;
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IF l_upper_config_param = 'COLLECTION COUNT'
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THEN
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l_collect_count_value := i_config_value::int;
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IF l_collect_count_value < -1
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THEN
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l_error_message := 'ERROR:: Configuration value "' || i_config_value || '" should not be less than -1.';
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raise notice '%',l_error_message;
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RETURN FALSE;
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ELSIF l_collect_count_value = 0
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THEN
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l_error_message := 'ERROR:: 0 should not be provided since atleast one collection should be retained.';
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raise notice '%',l_error_message;
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RETURN FALSE;
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ELSE
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l_config_value := l_collect_count_value;
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END IF;
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ELSIF l_upper_config_param = 'ENABLE PMK'
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THEN
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l_config_value := UPPER(TRIM(BOTH ' ' FROM i_config_value));
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IF l_config_value NOT IN ('TRUE', 'FALSE')
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THEN
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l_error_message := 'ERROR:: Allowed values are TRUE or FALSE for the configuration parameter "Enable PMK".';
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raise notice '%',l_error_message;
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RETURN FALSE;
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END IF;
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END IF;
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SET allow_concurrent_tuple_update = ON;
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UPDATE pmk.pmk_configuration
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SET config_value = l_config_value
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WHERE UPPER(config_param_name) = l_upper_config_param;
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IF NOT FOUND THEN
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l_error_message := 'ERROR:: Invalid configuration parameter "' || i_config_param_name || '" provided for configuring PMK parameter ...';
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raise notice '%',l_error_message;
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RETURN FALSE;
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END IF;
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RETURN TRUE;
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END;
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$$
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LANGUAGE plpgsql;
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-- If ALL is provided, it returns the details of all the configuration parameters.
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-- If a specific config parameter is provided, it returns the details of the configuration parameter.
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CREATE OR REPLACE FUNCTION pmk.get_configuration_parameter
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( IN i_config_param_name TEXT )
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RETURNS TABLE
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(
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config_param_name varchar(64)
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, config_value text
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)
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AS
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$$
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DECLARE l_upper_config_param TEXT;
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l_error_message TEXT;
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BEGIN
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l_error_message := pmk.check_node_type();
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IF l_error_message IS NOT NULL
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THEN
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raise notice '%',l_error_message;
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RETURN;
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END IF;
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l_error_message := pmk.check_pmk_enabled();
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IF l_error_message IS NOT NULL
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THEN
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raise notice '%',l_error_message;
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RETURN;
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END IF;
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l_upper_config_param := UPPER(TRIM(BOTH ' ' FROM i_config_param_name));
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IF l_upper_config_param = 'ALL'
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THEN
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RETURN QUERY
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SELECT config_param_name
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, config_value
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FROM pmk.pmk_configuration
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ORDER BY config_param_name;
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ELSE
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RETURN QUERY
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SELECT config_param_name
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, config_value
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FROM pmk.pmk_configuration
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WHERE UPPER(config_param_name) = l_upper_config_param;
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END IF;
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END;
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$$
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LANGUAGE plpgsql;
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/*
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This function is used to collect statistics for each node (including data node and coordinator)
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*/
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CREATE OR REPLACE FUNCTION pmk.find_perf_stat
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( IN i_skip_supper_role boolean
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, OUT o_number_of_files int
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, OUT o_physical_reads bigint
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, OUT o_physical_writes bigint
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, OUT o_read_time bigint
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, OUT o_write_time bigint
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, OUT o_physical_memory bigint
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, OUT o_shared_buffer_size bigint
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, OUT o_session_memory_total_size bigint
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, OUT o_session_memory_used_size bigint
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, OUT o_blocks_read bigint
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, OUT o_blocks_hit bigint
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, OUT o_db_size bigint
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, OUT o_work_memory_size bigint
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, OUT o_sorts_in_memory bigint
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, OUT o_sorts_in_disk bigint
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, OUT o_active_sql_count int
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, OUT o_wait_sql_count int
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, OUT o_session_count int
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, OUT o_busy_time numeric
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, OUT o_idle_time numeric
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, OUT o_iowait_time numeric
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, OUT o_db_cpu_time numeric
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, OUT o_db_memory_usage bigint
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, OUT o_node_startup_time timestamp with time zone
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, OUT o_node_host_name text
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, OUT o_xact_commit bigint
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, OUT o_xact_rollback bigint
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, OUT o_checkpoints_timed numeric(40,0)
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, OUT o_checkpoints_req numeric(40,0)
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, OUT o_checkpoint_write_time double precision
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)
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AS
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$$
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DECLARE
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l_block_size int;
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l_record_chk int;
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BEGIN
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o_node_startup_time := pg_postmaster_start_time();
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o_node_host_name := get_hostname();
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SELECT COUNT(*) AS number_of_files
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, SUM(phyrds) AS physical_reads
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, SUM(phywrts) AS physical_writes
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, SUM(readtim) AS read_time
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, SUM(writetim) AS write_time
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INTO o_number_of_files
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, o_physical_reads
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, o_physical_writes
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, o_read_time
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, o_write_time
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FROM pv_file_stat;
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IF o_number_of_files = 0
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THEN
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o_physical_reads := 0;
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o_physical_writes := 0;
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o_read_time := 0;
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o_write_time := 0;
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END IF;
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WITH os_stat AS
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(
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SELECT os.name AS statname
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, os.value AS statvalue
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FROM pv_os_run_info os
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WHERE os.name IN ( 'PHYSICAL_MEMORY_BYTES', 'BUSY_TIME', 'IDLE_TIME', 'IOWAIT_TIME' )
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)
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SELECT (SELECT statvalue FROM os_stat WHERE statname = 'PHYSICAL_MEMORY_BYTES')
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, (SELECT statvalue FROM os_stat WHERE statname = 'BUSY_TIME')
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, (SELECT statvalue FROM os_stat WHERE statname = 'IDLE_TIME')
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, (SELECT statvalue FROM os_stat WHERE statname = 'IOWAIT_TIME')
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INTO o_physical_memory
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, o_busy_time
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, o_idle_time
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, o_iowait_time
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;
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-- pv_db_time is not available; temporarily PMK extension is used.
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o_db_cpu_time := total_cpu();
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o_db_memory_usage := total_memory()*1024;
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|
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WITH config_value AS
|
|
( SELECT name
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|
, setting::bigint AS config_value
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FROM pg_settings
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WHERE name IN ( 'block_size', 'shared_buffers', 'work_mem' )
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)
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, config_value1 AS
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( SELECT (SELECT config_value FROM config_value WHERE name = 'block_size') AS block_size
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, (SELECT config_value FROM config_value WHERE name = 'shared_buffers') AS shared_buffers
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, (SELECT config_value FROM config_value WHERE name = 'work_mem') AS work_mem
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)
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SELECT block_size
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, (shared_buffers * block_size)::bigint
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, (work_mem * 1024)::bigint
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INTO l_block_size
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, o_shared_buffer_size
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, o_work_memory_size
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FROM config_value1;
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|
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/* Commented since these statistics are not used for node and cluster reports
|
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*/
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o_session_memory_total_size := 0;
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o_session_memory_used_size := 0;
|
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|
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SELECT SUM(blks_read)::bigint
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, SUM(blks_hit)::bigint
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, SUM(xact_commit)::bigint
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, SUM(xact_rollback)::bigint
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INTO o_blocks_read
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, o_blocks_hit
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, o_xact_commit
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, o_xact_rollback
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FROM pg_stat_database;
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|
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o_db_size := 0;
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IF i_skip_supper_role = 'TRUE'
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|
THEN
|
|
WITH session_state AS
|
|
( SELECT state, waiting , usename
|
|
FROM pg_stat_activity a, pg_roles r
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|
WHERE r.rolsuper = 'f' AND a.usename = r.rolname
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)
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, active_session AS
|
|
( SELECT state, waiting , usename
|
|
FROM session_state s, pg_roles r
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|
WHERE s.state IN ('active', 'fastpath function call', 'retrying')
|
|
AND r.rolsuper = 'f' AND s.usename = r.rolname
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)
|
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SELECT ( SELECT COUNT(*) FROM active_session )
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|
, ( SELECT COUNT(*) FROM active_session WHERE waiting = TRUE )
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|
, ( SELECT COUNT(*) FROM session_state )
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|
INTO o_active_sql_count, o_wait_sql_count , o_session_count
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;
|
|
ELSE
|
|
WITH session_state AS
|
|
( SELECT state, waiting
|
|
FROM pg_stat_activity
|
|
)
|
|
, active_session AS
|
|
( SELECT state, waiting
|
|
FROM session_state
|
|
WHERE state IN ('active', 'fastpath function call', 'retrying')
|
|
)
|
|
SELECT ( SELECT COUNT(*) FROM active_session )
|
|
, ( SELECT COUNT(*) FROM active_session WHERE waiting = TRUE )
|
|
, ( SELECT COUNT(*) FROM session_state )
|
|
INTO o_active_sql_count, o_wait_sql_count, o_session_count
|
|
;
|
|
END IF;
|
|
|
|
-- Currently, the below statistics are calculated from pv_session_stat (which is not accurate) since pv_db_stat is not available
|
|
WITH sort_state AS
|
|
( SELECT statname
|
|
, SUM(value)::bigint AS sorts_cnt
|
|
FROM pv_session_stat
|
|
WHERE statname IN ('n_sort_in_memory', 'n_sort_in_disk')
|
|
GROUP BY statname
|
|
)
|
|
SELECT (SELECT sorts_cnt FROM sort_state WHERE statname = 'n_sort_in_memory')
|
|
, (SELECT sorts_cnt FROM sort_state WHERE statname = 'n_sort_in_disk')
|
|
INTO o_sorts_in_memory
|
|
, o_sorts_in_disk
|
|
;
|
|
|
|
SELECT SUM(checkpoints_timed)::numeric(40,0)
|
|
, SUM(checkpoints_req)::numeric(40,0)
|
|
, SUM(checkpoint_write_time)::bigint
|
|
INTO o_checkpoints_timed
|
|
, o_checkpoints_req
|
|
, o_checkpoint_write_time
|
|
FROM pg_stat_bgwriter;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
/*
|
|
pmk.find_node_stat
|
|
*/
|
|
CREATE OR REPLACE FUNCTION pmk.find_node_stat
|
|
(IN i_skip_supper_role boolean
|
|
, OUT o_number_of_files_1 int
|
|
, OUT o_physical_reads_1 bigint
|
|
, OUT o_physical_writes_1 bigint
|
|
, OUT o_read_time_1 bigint
|
|
, OUT o_write_time_1 bigint
|
|
, OUT o_physical_memory_1 bigint
|
|
, OUT o_shared_buffer_size_1 bigint
|
|
, OUT o_session_memory_total_size_1 bigint
|
|
, OUT o_session_memory_used_size_1 bigint
|
|
, OUT o_blocks_read_1 bigint
|
|
, OUT o_blocks_hit_1 bigint
|
|
, OUT o_db_size_1 bigint
|
|
, OUT o_work_memory_size_1 bigint
|
|
, OUT o_sorts_in_memory_1 bigint
|
|
, OUT o_sorts_in_disk_1 bigint
|
|
, OUT o_active_sql_count_1 int
|
|
, OUT o_wait_sql_count_1 int
|
|
, OUT o_session_count_1 int
|
|
, OUT o_busy_time_1 numeric
|
|
, OUT o_idle_time_1 numeric
|
|
, OUT o_iowait_time_1 numeric
|
|
, OUT o_db_cpu_time_1 numeric
|
|
, OUT o_db_memory_usage_1 bigint
|
|
, OUT o_node_startup_time_1 timestamp with time zone
|
|
, OUT o_node_host_name_1 text
|
|
, OUT o_xact_commit_1 bigint
|
|
, OUT o_xact_rollback_1 bigint
|
|
, OUT o_checkpoints_timed_1 numeric(40,0)
|
|
, OUT o_checkpoints_req_1 numeric(40,0)
|
|
, OUT o_checkpoint_write_time_1 double precision
|
|
)
|
|
AS
|
|
$$
|
|
BEGIN
|
|
|
|
SELECT o_number_of_files
|
|
, o_physical_reads
|
|
, o_physical_writes
|
|
, o_read_time
|
|
, o_write_time
|
|
, o_physical_memory
|
|
, o_shared_buffer_size
|
|
, o_session_memory_total_size
|
|
, o_session_memory_used_size
|
|
, o_blocks_read
|
|
, o_blocks_hit
|
|
, o_db_size
|
|
, o_work_memory_size
|
|
, o_sorts_in_memory
|
|
, o_sorts_in_disk
|
|
, o_active_sql_count
|
|
, o_wait_sql_count
|
|
, o_session_count
|
|
, o_busy_time
|
|
, o_idle_time
|
|
, o_iowait_time
|
|
, o_db_cpu_time
|
|
, o_db_memory_usage
|
|
, o_node_startup_time
|
|
, o_node_host_name
|
|
, o_xact_commit
|
|
, o_xact_rollback
|
|
, o_checkpoints_timed
|
|
, o_checkpoints_req
|
|
, o_checkpoint_write_time
|
|
INTO o_number_of_files_1
|
|
, o_physical_reads_1
|
|
, o_physical_writes_1
|
|
, o_read_time_1
|
|
, o_write_time_1
|
|
, o_physical_memory_1
|
|
, o_shared_buffer_size_1
|
|
, o_session_memory_total_size_1
|
|
, o_session_memory_used_size_1
|
|
, o_blocks_read_1
|
|
, o_blocks_hit_1
|
|
, o_db_size_1
|
|
, o_work_memory_size_1
|
|
, o_sorts_in_memory_1
|
|
, o_sorts_in_disk_1
|
|
, o_active_sql_count_1
|
|
, o_wait_sql_count_1
|
|
, o_session_count_1
|
|
, o_busy_time_1
|
|
, o_idle_time_1
|
|
, o_iowait_time_1
|
|
, o_db_cpu_time_1
|
|
, o_db_memory_usage_1
|
|
, o_node_startup_time_1
|
|
, o_node_host_name_1
|
|
, o_xact_commit_1
|
|
, o_xact_rollback_1
|
|
, o_checkpoints_timed_1
|
|
, o_checkpoints_req_1
|
|
, o_checkpoint_write_time_1
|
|
FROM pmk.find_perf_stat(i_skip_supper_role);
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.load_datanode_stat
|
|
( IN i_snapshot_id int
|
|
, IN i_last_snapshot_id int
|
|
, IN i_pmk_last_collect_start_time timestamp with time zone
|
|
, IN i_node_id int
|
|
, IN i_node_name text
|
|
, IN i_number_of_files int
|
|
, IN i_physical_reads bigint
|
|
, IN i_physical_writes bigint
|
|
, IN i_read_time bigint
|
|
, IN i_write_time bigint
|
|
, IN i_physical_memory bigint
|
|
, IN i_shared_buffer_size bigint
|
|
, IN i_session_memory_total_size bigint
|
|
, IN i_session_memory_used_size bigint
|
|
, IN i_blocks_read bigint
|
|
, IN i_blocks_hit bigint
|
|
, IN i_db_size bigint
|
|
, IN i_work_memory_size bigint
|
|
, IN i_sorts_in_memory bigint
|
|
, IN i_sorts_in_disk bigint
|
|
, IN i_active_sql_count int
|
|
, IN i_wait_sql_count int
|
|
, IN i_session_count int
|
|
, IN i_busy_time numeric
|
|
, IN i_idle_time numeric
|
|
, IN i_iowait_time numeric
|
|
, IN i_db_cpu_time numeric
|
|
, IN i_db_memory_usage bigint
|
|
, IN i_node_startup_time timestamp with time zone
|
|
, IN i_node_host_name text
|
|
, IN i_xact_commit bigint
|
|
, IN i_xact_rollback bigint
|
|
, IN i_checkpoints_timed numeric(40,0)
|
|
, IN i_checkpoints_req numeric(40,0)
|
|
, IN i_checkpoint_write_time double precision
|
|
, IN i_skip_supper_role boolean
|
|
, OUT o_dn_snapshot_id int
|
|
, OUT o_dn_node_id int -- node id from pgxc_node
|
|
, OUT o_dn_node_name text -- node name from pgxc_node
|
|
, OUT o_dn_node_host text -- node host from pgxc_node
|
|
, OUT o_dn_last_startup_time timestamp with time zone -- last restart time of the node before snapshot starts
|
|
, OUT o_dn_number_of_files int
|
|
, OUT o_dn_physical_reads bigint
|
|
, OUT o_dn_physical_reads_delta bigint
|
|
, OUT o_dn_physical_writes bigint
|
|
, OUT o_dn_physical_writes_delta bigint
|
|
, OUT o_dn_read_time bigint
|
|
, OUT o_dn_read_time_delta bigint
|
|
, OUT o_dn_write_time bigint
|
|
, OUT o_dn_write_time_delta bigint
|
|
, OUT o_dn_db_size bigint
|
|
, OUT o_dn_active_sql_count int
|
|
, OUT o_dn_wait_sql_count int
|
|
, OUT o_dn_session_count int
|
|
, OUT o_dn_xact_commit bigint
|
|
, OUT o_dn_xact_commit_delta bigint
|
|
, OUT o_dn_xact_rollback bigint
|
|
, OUT o_dn_xact_rollback_delta bigint
|
|
, OUT o_dn_checkpoints_timed numeric(40,0)
|
|
, OUT o_dn_checkpoints_timed_delta numeric(40,0)
|
|
, OUT o_dn_checkpoints_req numeric(40,0)
|
|
, OUT o_dn_checkpoints_req_delta numeric(40,0)
|
|
, OUT o_dn_checkpoint_write_time double precision
|
|
, OUT o_dn_checkpoint_write_time_delta double precision
|
|
, OUT o_dn_physical_memory bigint
|
|
, OUT o_dn_db_memory_usage bigint
|
|
, OUT o_dn_shared_buffer_size bigint
|
|
, OUT o_dn_session_memory_total_size bigint
|
|
, OUT o_dn_session_memory_used_size bigint
|
|
, OUT o_dn_blocks_read bigint
|
|
, OUT o_dn_blocks_read_delta bigint
|
|
, OUT o_dn_blocks_hit bigint
|
|
, OUT o_dn_blocks_hit_delta bigint
|
|
, OUT o_dn_work_memory_size bigint
|
|
, OUT o_dn_sorts_in_memory bigint
|
|
, OUT o_dn_sorts_in_memory_delta bigint
|
|
, OUT o_dn_sorts_in_disk bigint
|
|
, OUT o_dn_sorts_in_disk_delta bigint
|
|
, OUT o_dn_busy_time numeric
|
|
, OUT o_dn_busy_time_delta numeric
|
|
, OUT o_dn_idle_time numeric
|
|
, OUT o_dn_idle_time_delta numeric
|
|
, OUT o_dn_iowait_time numeric
|
|
, OUT o_dn_iowait_time_delta numeric
|
|
, OUT o_dn_db_cpu_time numeric
|
|
, OUT o_dn_db_cpu_time_delta numeric
|
|
)
|
|
AS
|
|
$$
|
|
DECLARE l_physical_reads_delta bigint;
|
|
l_physical_writes_delta bigint;
|
|
l_read_time_delta bigint;
|
|
l_write_time_delta bigint;
|
|
l_blocks_read_delta bigint;
|
|
l_blocks_hit_delta bigint;
|
|
l_sorts_in_memory_delta bigint;
|
|
l_sorts_in_disk_delta bigint;
|
|
l_busy_time_delta numeric;
|
|
l_idle_time_delta numeric;
|
|
l_iowait_time_delta numeric;
|
|
l_db_cpu_time_delta numeric;
|
|
l_xact_commit_delta bigint;
|
|
l_xact_rollback_delta bigint;
|
|
l_checkpoints_timed_delta numeric(40,0);
|
|
l_checkpoints_req_delta numeric(40,0);
|
|
l_checkpoint_write_time_delta double precision;
|
|
i_skip_supper_role_delta boolean;
|
|
BEGIN
|
|
|
|
l_physical_reads_delta := i_physical_reads;
|
|
l_physical_writes_delta := i_physical_writes;
|
|
l_read_time_delta := i_read_time;
|
|
l_write_time_delta := i_write_time;
|
|
l_xact_commit_delta := i_xact_commit;
|
|
l_xact_rollback_delta := i_xact_rollback;
|
|
l_checkpoints_timed_delta := i_checkpoints_timed;
|
|
l_checkpoints_req_delta := i_checkpoints_req;
|
|
l_checkpoint_write_time_delta := i_checkpoint_write_time;
|
|
i_skip_supper_role_delta := i_skip_supper_role;
|
|
l_blocks_read_delta := i_blocks_read;
|
|
l_blocks_hit_delta := i_blocks_hit;
|
|
|
|
l_busy_time_delta := i_busy_time;
|
|
l_idle_time_delta := i_idle_time;
|
|
l_iowait_time_delta := i_iowait_time;
|
|
l_db_cpu_time_delta := i_db_cpu_time;
|
|
|
|
-- Currently, the below statistics are calculated from pv_session_stat (which is not accurate) since pv_db_stat is not available
|
|
-- These statistics are cumulative from instance startup.
|
|
l_sorts_in_memory_delta := i_sorts_in_memory;
|
|
l_sorts_in_disk_delta := i_sorts_in_disk;
|
|
|
|
o_dn_snapshot_id := i_snapshot_id;
|
|
o_dn_node_id := i_node_id;
|
|
o_dn_node_name := i_node_name;
|
|
o_dn_node_host := i_node_host_name;
|
|
o_dn_last_startup_time := i_node_startup_time;
|
|
o_dn_number_of_files := i_number_of_files;
|
|
o_dn_physical_reads := i_physical_reads;
|
|
o_dn_physical_reads_delta := l_physical_reads_delta;
|
|
o_dn_physical_writes := i_physical_writes;
|
|
o_dn_physical_writes_delta := l_physical_writes_delta;
|
|
o_dn_read_time := i_read_time;
|
|
o_dn_read_time_delta := l_read_time_delta;
|
|
o_dn_write_time := i_write_time;
|
|
o_dn_write_time_delta := l_write_time_delta;
|
|
o_dn_db_size := i_db_size;
|
|
o_dn_active_sql_count := i_active_sql_count;
|
|
o_dn_wait_sql_count := i_wait_sql_count;
|
|
o_dn_session_count := i_session_count;
|
|
o_dn_xact_commit := i_xact_commit;
|
|
o_dn_xact_commit_delta := l_xact_commit_delta;
|
|
o_dn_xact_rollback := i_xact_rollback;
|
|
o_dn_xact_rollback_delta := l_xact_rollback_delta;
|
|
o_dn_checkpoints_timed := i_checkpoints_timed;
|
|
o_dn_checkpoints_timed_delta := l_checkpoints_timed_delta;
|
|
o_dn_checkpoints_req := i_checkpoints_req;
|
|
o_dn_checkpoints_req_delta := l_checkpoints_req_delta;
|
|
o_dn_checkpoint_write_time := i_checkpoint_write_time;
|
|
o_dn_checkpoint_write_time_delta := l_checkpoint_write_time_delta;
|
|
o_dn_physical_memory := i_physical_memory;
|
|
o_dn_db_memory_usage := i_db_memory_usage;
|
|
o_dn_shared_buffer_size := i_shared_buffer_size;
|
|
o_dn_session_memory_total_size := i_session_memory_total_size;
|
|
o_dn_session_memory_used_size := i_session_memory_used_size;
|
|
o_dn_blocks_read := i_blocks_read;
|
|
o_dn_blocks_read_delta := l_blocks_read_delta;
|
|
o_dn_blocks_hit := i_blocks_hit;
|
|
o_dn_blocks_hit_delta := l_blocks_hit_delta;
|
|
o_dn_work_memory_size := i_work_memory_size;
|
|
o_dn_sorts_in_memory := i_sorts_in_memory;
|
|
o_dn_sorts_in_memory_delta := l_sorts_in_memory_delta;
|
|
o_dn_sorts_in_disk := i_sorts_in_disk;
|
|
o_dn_sorts_in_disk_delta := l_sorts_in_disk_delta;
|
|
o_dn_busy_time := i_busy_time;
|
|
o_dn_busy_time_delta := l_busy_time_delta;
|
|
o_dn_idle_time := i_idle_time;
|
|
o_dn_idle_time_delta := l_idle_time_delta;
|
|
o_dn_iowait_time := i_iowait_time;
|
|
o_dn_iowait_time_delta := l_iowait_time_delta;
|
|
o_dn_db_cpu_time := i_db_cpu_time;
|
|
o_dn_db_cpu_time_delta := l_db_cpu_time_delta;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
/*
|
|
This function is used to find the "delta values" of coordinator statistics and
|
|
create one or more entries (in multiple data nodes) into PMK table (pmk.pmk_snapshot_coordinator_stat).
|
|
*/
|
|
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.load_coordinator_stat
|
|
( IN i_snapshot_id int
|
|
, IN i_last_snapshot_id int
|
|
, IN i_pmk_last_collect_start_time timestamp with time zone
|
|
, IN i_node_id int
|
|
, IN i_node_name text
|
|
, IN i_number_of_files int
|
|
, IN i_physical_reads bigint
|
|
, IN i_physical_writes bigint
|
|
, IN i_read_time bigint
|
|
, IN i_write_time bigint
|
|
, IN i_physical_memory bigint
|
|
, IN i_shared_buffer_size bigint
|
|
, IN i_session_memory_total_size bigint
|
|
, IN i_session_memory_used_size bigint
|
|
, IN i_blocks_read bigint
|
|
, IN i_blocks_hit bigint
|
|
, IN i_db_size bigint
|
|
, IN i_work_memory_size bigint
|
|
, IN i_sorts_in_memory bigint
|
|
, IN i_sorts_in_disk bigint
|
|
, IN i_active_sql_count int
|
|
, IN i_wait_sql_count int
|
|
, IN i_session_count int
|
|
, IN i_busy_time numeric
|
|
, IN i_idle_time numeric
|
|
, IN i_iowait_time numeric
|
|
, IN i_db_cpu_time numeric
|
|
, IN i_db_memory_usage bigint
|
|
, IN i_node_startup_time timestamp with time zone
|
|
, IN i_node_host_name text
|
|
, IN i_xact_commit bigint
|
|
, IN i_xact_rollback bigint
|
|
, IN i_checkpoints_timed numeric(40,0)
|
|
, IN i_checkpoints_req numeric(40,0)
|
|
, IN i_checkpoint_write_time double precision
|
|
, IN i_skip_supper_role boolean
|
|
, OUT o_cn_snapshot_id int
|
|
, OUT o_cn_node_id int
|
|
, OUT o_cn_node_name text
|
|
, OUT o_cn_node_host_name text
|
|
, OUT o_cn_node_startup_time timestamp with time zone
|
|
, OUT o_cn_number_of_files int
|
|
, OUT o_cn_physical_reads bigint
|
|
, OUT o_cn_physical_reads_delta bigint
|
|
, OUT o_cn_physical_writes bigint
|
|
, OUT o_cn_physical_writes_delta bigint
|
|
, OUT o_cn_read_time bigint
|
|
, OUT o_cn_read_time_delta bigint
|
|
, OUT o_cn_write_time bigint
|
|
, OUT o_cn_write_time_delta bigint
|
|
, OUT o_cn_db_size bigint
|
|
, OUT o_cn_active_sql_count int
|
|
, OUT o_cn_wait_sql_count int
|
|
, OUT o_cn_session_count int
|
|
, OUT o_cn_xact_commit bigint
|
|
, OUT o_cn_xact_commit_delta bigint
|
|
, OUT o_cn_xact_rollback bigint
|
|
, OUT o_cn_xact_rollback_delta bigint
|
|
, OUT o_cn_checkpoints_timed numeric(40,0)
|
|
, OUT o_cn_checkpoints_timed_delta numeric(40,0)
|
|
, OUT o_cn_checkpoints_req numeric(40,0)
|
|
, OUT o_cn_checkpoints_req_delta numeric(40,0)
|
|
, OUT o_cn_checkpoint_write_time double precision
|
|
, OUT o_cn_checkpoint_write_time_delta double precision
|
|
, OUT o_cn_physical_memory bigint
|
|
, OUT o_cn_db_memory_usage bigint
|
|
, OUT o_cn_shared_buffer_size bigint
|
|
, OUT o_cn_session_memory_total_size bigint
|
|
, OUT o_cn_session_memory_used_size bigint
|
|
, OUT o_cn_blocks_read bigint
|
|
, OUT o_cn_blocks_read_delta bigint
|
|
, OUT o_cn_blocks_hit bigint
|
|
, OUT o_cn_blocks_hit_delta bigint
|
|
, OUT o_cn_work_memory_size bigint
|
|
, OUT o_cn_sorts_in_memory bigint
|
|
, OUT o_cn_sorts_in_memory_delta bigint
|
|
, OUT o_cn_sorts_in_disk bigint
|
|
, OUT o_cn_sorts_in_disk_delta bigint
|
|
, OUT o_cn_busy_time numeric
|
|
, OUT o_cn_busy_time_delta numeric
|
|
, OUT o_cn_idle_time numeric
|
|
, OUT o_cn_idle_time_delta numeric
|
|
, OUT o_cn_iowait_time numeric
|
|
, OUT o_cn_iowait_time_delta numeric
|
|
, OUT o_cn_db_cpu_time numeric
|
|
, OUT o_cn_db_cpu_time_delta numeric
|
|
)
|
|
AS
|
|
$$
|
|
DECLARE l_physical_reads_delta bigint;
|
|
l_physical_writes_delta bigint;
|
|
l_read_time_delta bigint;
|
|
l_write_time_delta bigint;
|
|
l_blocks_read_delta bigint;
|
|
l_blocks_hit_delta bigint;
|
|
l_sorts_in_memory_delta bigint;
|
|
l_sorts_in_disk_delta bigint;
|
|
l_busy_time_delta numeric;
|
|
l_idle_time_delta numeric;
|
|
l_iowait_time_delta numeric;
|
|
l_db_cpu_time_delta numeric;
|
|
l_xact_commit_delta bigint;
|
|
l_xact_rollback_delta bigint;
|
|
l_checkpoints_timed_delta numeric(40,0);
|
|
l_checkpoints_req_delta numeric(40,0);
|
|
l_checkpoint_write_time_delta double precision;
|
|
i_skip_supper_role_delta boolean;
|
|
BEGIN
|
|
|
|
l_physical_reads_delta := i_physical_reads;
|
|
l_physical_writes_delta := i_physical_writes;
|
|
l_read_time_delta := i_read_time;
|
|
l_write_time_delta := i_write_time;
|
|
l_xact_commit_delta := i_xact_commit;
|
|
l_xact_rollback_delta := i_xact_rollback;
|
|
l_checkpoints_timed_delta := i_checkpoints_timed;
|
|
l_checkpoints_req_delta := i_checkpoints_req;
|
|
l_checkpoint_write_time_delta := i_checkpoint_write_time;
|
|
i_skip_supper_role_delta := i_skip_supper_role;
|
|
l_blocks_read_delta := i_blocks_read;
|
|
l_blocks_hit_delta := i_blocks_hit;
|
|
|
|
l_busy_time_delta := i_busy_time;
|
|
l_idle_time_delta := i_idle_time;
|
|
l_iowait_time_delta := i_iowait_time;
|
|
l_db_cpu_time_delta := i_db_cpu_time;
|
|
|
|
-- Currently, the below statistics are calculated from pv_session_stat (which is not accurate) since pv_db_stat is not available
|
|
-- These statistics are cumulative from instance startup.
|
|
l_sorts_in_memory_delta := i_sorts_in_memory;
|
|
l_sorts_in_disk_delta := i_sorts_in_disk;
|
|
|
|
o_cn_snapshot_id := i_snapshot_id;
|
|
o_cn_node_id := i_node_id;
|
|
o_cn_node_name := i_node_name;
|
|
o_cn_node_host_name := i_node_host_name;
|
|
o_cn_node_startup_time := i_node_startup_time;
|
|
o_cn_number_of_files := i_number_of_files;
|
|
o_cn_physical_reads := i_physical_reads;
|
|
o_cn_physical_reads_delta := l_physical_reads_delta;
|
|
o_cn_physical_writes := i_physical_writes;
|
|
o_cn_physical_writes_delta := l_physical_writes_delta;
|
|
o_cn_read_time := i_read_time;
|
|
o_cn_read_time_delta := l_read_time_delta;
|
|
o_cn_write_time := i_write_time;
|
|
o_cn_write_time_delta := l_write_time_delta;
|
|
o_cn_db_size := i_db_size;
|
|
o_cn_active_sql_count := i_active_sql_count;
|
|
o_cn_wait_sql_count := i_wait_sql_count;
|
|
o_cn_session_count := i_session_count;
|
|
o_cn_xact_commit := i_xact_commit;
|
|
o_cn_xact_commit_delta := l_xact_commit_delta;
|
|
o_cn_xact_rollback := i_xact_rollback;
|
|
o_cn_xact_rollback_delta := l_xact_rollback_delta;
|
|
o_cn_checkpoints_timed := i_checkpoints_timed;
|
|
o_cn_checkpoints_timed_delta := l_checkpoints_timed_delta;
|
|
o_cn_checkpoints_req := i_checkpoints_req;
|
|
o_cn_checkpoints_req_delta := l_checkpoints_req_delta;
|
|
o_cn_checkpoint_write_time := i_checkpoint_write_time;
|
|
o_cn_checkpoint_write_time_delta := l_checkpoint_write_time_delta;
|
|
o_cn_physical_memory := i_physical_memory;
|
|
o_cn_db_memory_usage := i_db_memory_usage;
|
|
o_cn_shared_buffer_size := i_shared_buffer_size;
|
|
o_cn_session_memory_total_size := i_session_memory_total_size;
|
|
o_cn_session_memory_used_size := i_session_memory_used_size;
|
|
o_cn_blocks_read := i_blocks_read;
|
|
o_cn_blocks_read_delta := l_blocks_read_delta;
|
|
o_cn_blocks_hit := i_blocks_hit;
|
|
o_cn_blocks_hit_delta := l_blocks_hit_delta;
|
|
o_cn_work_memory_size := i_work_memory_size;
|
|
o_cn_sorts_in_memory := i_sorts_in_memory;
|
|
o_cn_sorts_in_memory_delta := l_sorts_in_memory_delta;
|
|
o_cn_sorts_in_disk := i_sorts_in_disk;
|
|
o_cn_sorts_in_disk_delta := l_sorts_in_disk_delta;
|
|
o_cn_busy_time := i_busy_time;
|
|
o_cn_busy_time_delta := l_busy_time_delta;
|
|
o_cn_idle_time := i_idle_time;
|
|
o_cn_idle_time_delta := l_idle_time_delta;
|
|
o_cn_iowait_time := i_iowait_time;
|
|
o_cn_iowait_time_delta := l_iowait_time_delta;
|
|
o_cn_db_cpu_time := i_db_cpu_time;
|
|
o_cn_db_cpu_time_delta := l_db_cpu_time_delta;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
/*
|
|
This function is used to find the performance statistics of each single node (datanode or coordinator).
|
|
After we get performance statistics of each single node, then we will insert into PMK tables (pmk.pmk_snapshot_datanode_stat for datanode and pmk.pmk_snapshot_coordinator_stat for coordinator).
|
|
*/
|
|
CREATE OR REPLACE FUNCTION pmk.load_node_stat
|
|
( IN i_pmk_curr_collect_start_time TIMESTAMP WITH TIME ZONE
|
|
, IN i_pmk_last_collect_start_time TIMESTAMP WITH TIME ZONE
|
|
, IN i_last_snapshot_id INT
|
|
, IN i_node_name TEXT
|
|
, IN i_node_type char(1)
|
|
, IN i_node_id INT
|
|
, IN i_skip_supper_role boolean
|
|
)
|
|
RETURNS TABLE
|
|
(
|
|
snapshot_id int
|
|
, node_id int
|
|
, node_name text
|
|
, node_host text
|
|
, last_startup_time timestamp with time zone
|
|
, number_of_files int
|
|
, physical_reads bigint
|
|
, physical_reads_delta bigint
|
|
, physical_writes bigint
|
|
, physical_writes_delta bigint
|
|
, read_time bigint
|
|
, read_time_delta bigint
|
|
, write_time bigint
|
|
, write_time_delta bigint
|
|
, db_size bigint
|
|
, active_sql_count int
|
|
, wait_sql_count int
|
|
, session_count int
|
|
, xact_commit bigint
|
|
, xact_commit_delta bigint
|
|
, xact_rollback bigint
|
|
, xact_rollback_delta bigint
|
|
, checkpoints_timed numeric(40,0)
|
|
, checkpoints_timed_delta numeric(40,0)
|
|
, checkpoints_req numeric(40,0)
|
|
, checkpoints_req_delta numeric(40,0)
|
|
, checkpoint_write_time double precision
|
|
, checkpoint_write_time_delta double precision
|
|
, physical_memory bigint
|
|
, db_memory_usage bigint
|
|
, shared_buffer_size bigint
|
|
, session_memory_total_size bigint
|
|
, session_memory_used_size bigint
|
|
, blocks_read bigint
|
|
, blocks_read_delta bigint
|
|
, blocks_hit bigint
|
|
, blocks_hit_delta bigint
|
|
, work_memory_size bigint
|
|
, sorts_in_memory bigint
|
|
, sorts_in_memory_delta bigint
|
|
, sorts_in_disk bigint
|
|
, sorts_in_disk_delta bigint
|
|
, busy_time numeric
|
|
, busy_time_delta numeric
|
|
, idle_time numeric
|
|
, idle_time_delta numeric
|
|
, iowait_time numeric
|
|
, iowait_time_delta numeric
|
|
, db_cpu_time numeric
|
|
, db_cpu_time_delta numeric
|
|
)
|
|
AS
|
|
$$
|
|
DECLARE l_snapshot_id INT;
|
|
l_query_str TEXT;
|
|
l_node_stat_cur RECORD;
|
|
BEGIN
|
|
|
|
IF i_last_snapshot_id IS NULL
|
|
OR i_last_snapshot_id = 2147483647
|
|
THEN
|
|
l_snapshot_id := 1;
|
|
ELSE
|
|
l_snapshot_id := i_last_snapshot_id + 1;
|
|
END IF;
|
|
|
|
FOR l_node_stat_cur IN SELECT * FROM pmk.find_node_stat(i_skip_supper_role)
|
|
LOOP
|
|
IF i_node_type = 'D'
|
|
THEN
|
|
RETURN QUERY
|
|
(SELECT * FROM pmk.load_datanode_stat ( l_snapshot_id
|
|
, i_last_snapshot_id
|
|
, i_pmk_last_collect_start_time
|
|
, i_node_id
|
|
, i_node_name
|
|
, l_node_stat_cur.o_number_of_files_1
|
|
, l_node_stat_cur.o_physical_reads_1
|
|
, l_node_stat_cur.o_physical_writes_1
|
|
, l_node_stat_cur.o_read_time_1
|
|
, l_node_stat_cur.o_write_time_1
|
|
, l_node_stat_cur.o_physical_memory_1
|
|
, l_node_stat_cur.o_shared_buffer_size_1
|
|
, l_node_stat_cur.o_session_memory_total_size_1
|
|
, l_node_stat_cur.o_session_memory_used_size_1
|
|
, l_node_stat_cur.o_blocks_read_1
|
|
, l_node_stat_cur.o_blocks_hit_1
|
|
, l_node_stat_cur.o_db_size_1
|
|
, l_node_stat_cur.o_work_memory_size_1
|
|
, l_node_stat_cur.o_sorts_in_memory_1
|
|
, l_node_stat_cur.o_sorts_in_disk_1
|
|
, l_node_stat_cur.o_active_sql_count_1
|
|
, l_node_stat_cur.o_wait_sql_count_1
|
|
, l_node_stat_cur.o_session_count_1
|
|
, l_node_stat_cur.o_busy_time_1
|
|
, l_node_stat_cur.o_idle_time_1
|
|
, l_node_stat_cur.o_iowait_time_1
|
|
, l_node_stat_cur.o_db_cpu_time_1
|
|
, l_node_stat_cur.o_db_memory_usage_1
|
|
, l_node_stat_cur.o_node_startup_time_1
|
|
, l_node_stat_cur.o_node_host_name_1
|
|
, l_node_stat_cur.o_xact_commit_1
|
|
, l_node_stat_cur.o_xact_rollback_1
|
|
, l_node_stat_cur.o_checkpoints_timed_1
|
|
, l_node_stat_cur.o_checkpoints_req_1
|
|
, l_node_stat_cur.o_checkpoint_write_time_1
|
|
, i_skip_supper_role
|
|
));
|
|
ELSE
|
|
RETURN QUERY
|
|
(SELECT * FROM pmk.load_coordinator_stat ( l_snapshot_id
|
|
, i_last_snapshot_id
|
|
, i_pmk_last_collect_start_time
|
|
, i_node_id
|
|
, i_node_name
|
|
, l_node_stat_cur.o_number_of_files_1
|
|
, l_node_stat_cur.o_physical_reads_1
|
|
, l_node_stat_cur.o_physical_writes_1
|
|
, l_node_stat_cur.o_read_time_1
|
|
, l_node_stat_cur.o_write_time_1
|
|
, l_node_stat_cur.o_physical_memory_1
|
|
, l_node_stat_cur.o_shared_buffer_size_1
|
|
, l_node_stat_cur.o_session_memory_total_size_1
|
|
, l_node_stat_cur.o_session_memory_used_size_1
|
|
, l_node_stat_cur.o_blocks_read_1
|
|
, l_node_stat_cur.o_blocks_hit_1
|
|
, l_node_stat_cur.o_db_size_1
|
|
, l_node_stat_cur.o_work_memory_size_1
|
|
, l_node_stat_cur.o_sorts_in_memory_1
|
|
, l_node_stat_cur.o_sorts_in_disk_1
|
|
, l_node_stat_cur.o_active_sql_count_1
|
|
, l_node_stat_cur.o_wait_sql_count_1
|
|
, l_node_stat_cur.o_session_count_1
|
|
, l_node_stat_cur.o_busy_time_1
|
|
, l_node_stat_cur.o_idle_time_1
|
|
, l_node_stat_cur.o_iowait_time_1
|
|
, l_node_stat_cur.o_db_cpu_time_1
|
|
, l_node_stat_cur.o_db_memory_usage_1
|
|
, l_node_stat_cur.o_node_startup_time_1
|
|
, l_node_stat_cur.o_node_host_name_1
|
|
, l_node_stat_cur.o_xact_commit_1
|
|
, l_node_stat_cur.o_xact_rollback_1
|
|
, l_node_stat_cur.o_checkpoints_timed_1
|
|
, l_node_stat_cur.o_checkpoints_req_1
|
|
, l_node_stat_cur.o_checkpoint_write_time_1
|
|
, i_skip_supper_role
|
|
));
|
|
END IF;
|
|
END LOOP;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- This function is used to delete the statistics snapshots based on "collection count" config param
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.delete_expired_snapshots ( )
|
|
RETURNS void
|
|
AS
|
|
$$
|
|
DECLARE l_collection_count INT;
|
|
l_retention_snapshot_id INT;
|
|
BEGIN
|
|
|
|
-- Deleting node statistics based on "collection count" config param
|
|
SELECT config_value
|
|
INTO l_collection_count
|
|
FROM pmk.pmk_configuration
|
|
WHERE config_param_name = 'Collection Count';
|
|
|
|
IF l_collection_count > -1
|
|
THEN
|
|
IF l_collection_count = 0
|
|
THEN
|
|
l_collection_count := 1;
|
|
END IF;
|
|
|
|
SELECT MIN(snapshot_id)
|
|
INTO l_retention_snapshot_id
|
|
FROM ( SELECT snapshot_id
|
|
FROM pmk.pmk_snapshot
|
|
ORDER BY snapshot_id DESC
|
|
LIMIT l_collection_count );
|
|
|
|
DELETE FROM pmk.pmk_snapshot_datanode_stat
|
|
WHERE snapshot_id < l_retention_snapshot_id;
|
|
|
|
DELETE FROM pmk.pmk_snapshot_coordinator_stat
|
|
WHERE snapshot_id < l_retention_snapshot_id;
|
|
|
|
DELETE FROM pmk.pmk_snapshot
|
|
WHERE snapshot_id < l_retention_snapshot_id;
|
|
|
|
END IF;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.get_meta_data
|
|
( OUT l_pmk_curr_collect_start_time timestamp with time zone
|
|
, OUT l_pmk_last_collect_start_time timestamp with time zone
|
|
, OUT l_last_snapshot_id int
|
|
)
|
|
AS
|
|
$$
|
|
DECLARE l_error_message TEXT;
|
|
BEGIN
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
SELECT last_snapshot_id, last_snapshot_collect_time
|
|
INTO l_last_snapshot_id, l_pmk_last_collect_start_time
|
|
FROM pmk.pmk_meta_data;
|
|
|
|
l_pmk_curr_collect_start_time := date_trunc('second', current_timestamp);
|
|
|
|
IF l_pmk_curr_collect_start_time < l_pmk_last_collect_start_time
|
|
THEN
|
|
l_error_message := 'ERROR:: There is a change in system time of Gauss MPPDB host. PMK does not support the scenarios related to system time change.';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
ELSIF l_pmk_curr_collect_start_time = l_pmk_last_collect_start_time
|
|
THEN
|
|
l_error_message := 'ERROR:: Multiple statistics-collections can not be done within a second.';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
/*
|
|
*/
|
|
CREATE OR REPLACE FUNCTION pmk.get_pgxc_node
|
|
( OUT o_node_name TEXT
|
|
, OUT o_node_type CHAR(1)
|
|
, OUT o_node_id INT
|
|
)
|
|
RETURNS SETOF RECORD
|
|
AS
|
|
$$
|
|
DECLARE l_error_message TEXT;
|
|
v_rec RECORD;
|
|
BEGIN
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
FOR v_rec IN (SELECT node_name, node_type, node_id FROM pgxc_node) LOOP
|
|
o_node_name := v_rec.node_name;
|
|
o_node_type := v_rec.node_type;
|
|
o_node_id := v_rec.node_id;
|
|
RETURN NEXT;
|
|
END LOOP;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
/*
|
|
If start time is greater than the last stat-collect time, it throws an error.
|
|
If end time is null, it assign the last statistics collection time to the end time.
|
|
If both start time and end time are null, it assign the last statistics collection time to both the parameters
|
|
If start time is null and end time is not null, it throws an error.
|
|
If start time is greater than end time, it throws an error.
|
|
*/
|
|
CREATE OR REPLACE FUNCTION pmk.check_start_end_dates
|
|
( INOUT io_start_pmk_time timestamp with time zone
|
|
, INOUT io_end_pmk_time timestamp with time zone
|
|
, OUT o_error_message text
|
|
)
|
|
AS
|
|
$$
|
|
DECLARE l_last_collect_time timestamp with time zone;
|
|
BEGIN
|
|
|
|
SELECT last_snapshot_collect_time
|
|
INTO l_last_collect_time
|
|
FROM pmk.pmk_meta_data;
|
|
|
|
IF io_start_pmk_time > l_last_collect_time
|
|
THEN
|
|
o_error_message := 'ERROR:: The from-time provided is greater than the last statistics-collection time(' || l_last_collect_time || '). Invalid value(s) provided for the input time-range';
|
|
RETURN;
|
|
END IF;
|
|
|
|
IF io_end_pmk_time IS NULL
|
|
THEN
|
|
io_end_pmk_time := l_last_collect_time;
|
|
|
|
IF io_start_pmk_time IS NULL
|
|
THEN
|
|
io_start_pmk_time := io_end_pmk_time;
|
|
END IF;
|
|
ELSE
|
|
IF (io_start_pmk_time IS NULL) OR
|
|
(io_start_pmk_time > io_end_pmk_time)
|
|
THEN
|
|
o_error_message := 'ERROR:: Invalid value(s) provided for the input time-range';
|
|
RETURN;
|
|
END IF;
|
|
END IF;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- Host CPU statistics at cluster level
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.get_cluster_host_cpu_stat
|
|
( IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_avg_cpu_total_time numeric(21, 3)
|
|
, OUT o_avg_cpu_busy_time numeric(21, 3)
|
|
, OUT o_avg_cpu_iowait_time numeric(21, 3)
|
|
, OUT o_cpu_busy_perc numeric(5, 2)
|
|
, OUT o_cpu_io_wait_perc numeric(5, 2)
|
|
, OUT o_min_cpu_busy_perc numeric(5, 2)
|
|
, OUT o_max_cpu_busy_perc numeric(5, 2)
|
|
, OUT o_min_cpu_iowait_perc numeric(5, 2)
|
|
, OUT o_max_cpu_iowait_perc numeric(5, 2)
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_error_message text;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of cluster host CPU statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
, os_cpu_stat AS
|
|
( SELECT s.pmk_curr_collect_start_time
|
|
, node_host
|
|
, node_name
|
|
, (busy_time_delta * 10) AS cpu_busy_time
|
|
, (idle_time_delta * 10) AS cpu_idle_time
|
|
, (iowait_time_delta * 10) AS cpu_iowait_time
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
UNION ALL
|
|
SELECT s.pmk_curr_collect_start_time
|
|
, node_host
|
|
, node_name
|
|
, (busy_time_delta * 10) AS cpu_busy_time
|
|
, (idle_time_delta * 10) AS cpu_idle_time
|
|
, (iowait_time_delta * 10) AS cpu_iowait_time
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
)
|
|
, os_cpu_stat1 AS
|
|
( SELECT pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, node_host
|
|
, cpu_busy_time
|
|
, cpu_idle_time
|
|
, cpu_iowait_time
|
|
, (cpu_busy_time+cpu_idle_time+cpu_iowait_time)::numeric AS cpu_total_time
|
|
FROM ( SELECT pmk_curr_collect_start_time
|
|
, node_host
|
|
, cpu_busy_time
|
|
, cpu_idle_time
|
|
, cpu_iowait_time
|
|
, rank() OVER (PARTITION BY pmk_curr_collect_start_time, node_host ORDER BY cpu_busy_time DESC, node_name) AS node_cpu_busy_order
|
|
FROM os_cpu_stat
|
|
)
|
|
WHERE node_cpu_busy_order = 1
|
|
)
|
|
SELECT hcs.stat_collect_time
|
|
, AVG(hcs.cpu_total_time)::numeric(21, 3) AS avg_cpu_total_time
|
|
, AVG(hcs.cpu_busy_time)::numeric(21, 3) AS avg_cpu_busy_time
|
|
, AVG(hcs.cpu_iowait_time)::numeric(21, 3) AS avg_cpu_iowait_time
|
|
, ( (SUM(cpu_busy_time) * 100.0) / NULLIF(SUM(cpu_total_time), 0) )::numeric(5, 2) AS cpu_busy_perc
|
|
, ( (SUM(cpu_iowait_time) * 100.0) / NULLIF(SUM(cpu_total_time), 0) )::numeric(5, 2) AS cpu_io_wait_perc
|
|
, MIN(hcs.cpu_busy_time_perc)::numeric(5, 2) AS min_cpu_busy_perc
|
|
, MAX(hcs.cpu_busy_time_perc)::numeric(5, 2) AS max_cpu_busy_perc
|
|
, MIN(hcs.cpu_iowait_time_perc)::numeric(5, 2) AS min_cpu_iowait_perc
|
|
, MAX(hcs.cpu_iowait_time_perc)::numeric(5, 2) AS max_cpu_iowait_perc
|
|
FROM ( SELECT node_host
|
|
, stat_collect_time
|
|
, cpu_total_time
|
|
, cpu_busy_time
|
|
, cpu_iowait_time
|
|
, ( (cpu_busy_time * 100.0) / NULLIF(cpu_total_time, 0) )::numeric(5, 2) AS cpu_busy_time_perc
|
|
, ( (cpu_iowait_time * 100.0) / NULLIF(cpu_total_time, 0) )::numeric(5, 2) AS cpu_iowait_time_perc
|
|
FROM os_cpu_stat1 ) hcs
|
|
GROUP BY hcs.stat_collect_time
|
|
ORDER BY hcs.stat_collect_time;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.get_cluster_mppdb_cpu_stat
|
|
( IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_avg_mppdb_cpu_time numeric(21, 3)
|
|
, OUT o_avg_host_cpu_busy_time numeric(21, 3)
|
|
, OUT o_avg_host_cpu_total_time numeric(21, 3)
|
|
, OUT o_mppdb_cpu_time_perc_wrt_busy_time numeric(5, 2)
|
|
, OUT o_mppdb_cpu_time_perc_wrt_total_time numeric(5, 2)
|
|
, OUT o_min_mppdb_cpu_time_perc_wrt_busy_time numeric(5, 2)
|
|
, OUT o_max_mppdb_cpu_time_perc_wrt_busy_time numeric(5, 2)
|
|
, OUT o_min_mppdb_cpu_time_perc_wrt_total_time numeric(5, 2)
|
|
, OUT o_max_mppdb_cpu_time_perc_wrt_total_time numeric(5, 2)
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_error_message text;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of cluster MPPDB CPU statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
, cpu_stat AS
|
|
( SELECT s.snapshot_id
|
|
, s.pmk_curr_collect_start_time
|
|
, dns.node_name
|
|
, dns.node_host
|
|
, (dns.busy_time_delta * 10) AS host_cpu_busy_time
|
|
, (dns.idle_time_delta * 10) AS host_cpu_idle_time
|
|
, (dns.iowait_time_delta * 10) AS host_cpu_iowait_time
|
|
, (dns.db_cpu_time_delta * 10) AS mppdb_cpu_time
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
UNION ALL
|
|
SELECT s.snapshot_id
|
|
, s.pmk_curr_collect_start_time
|
|
, dns.node_name
|
|
, dns.node_host
|
|
, (dns.busy_time_delta * 10) AS host_cpu_busy_time
|
|
, (dns.idle_time_delta * 10) AS host_cpu_idle_time
|
|
, (dns.iowait_time_delta * 10) AS host_cpu_iowait_time
|
|
, (dns.db_cpu_time_delta * 10) AS mppdb_cpu_time
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
)
|
|
, host_cpu_stat AS
|
|
( SELECT pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, node_host
|
|
, host_cpu_busy_time
|
|
, host_cpu_idle_time
|
|
, host_cpu_iowait_time
|
|
, (host_cpu_busy_time+host_cpu_idle_time+host_cpu_iowait_time)::numeric AS host_cpu_total_time
|
|
FROM ( SELECT pmk_curr_collect_start_time
|
|
, node_host
|
|
, host_cpu_busy_time
|
|
, host_cpu_idle_time
|
|
, host_cpu_iowait_time
|
|
, rank() OVER (PARTITION BY snapshot_id, node_host
|
|
ORDER BY host_cpu_busy_time DESC, node_name) AS node_cpu_busy_order
|
|
FROM cpu_stat
|
|
)
|
|
WHERE node_cpu_busy_order = 1
|
|
)
|
|
, host_cpu_stat_summary AS
|
|
( SELECT stat_collect_time
|
|
, AVG(host_cpu_busy_time)::numeric(21, 3) AS avg_host_cpu_busy_time
|
|
, AVG(host_cpu_total_time)::numeric(21, 3) AS avg_host_cpu_total_time
|
|
, SUM(host_cpu_busy_time)::numeric(21, 3) AS tot_host_cpu_busy_time
|
|
, SUM(host_cpu_total_time)::numeric(21, 3) AS tot_host_cpu_total_time
|
|
FROM host_cpu_stat
|
|
GROUP BY stat_collect_time
|
|
)
|
|
, mppdb_cpu_stat0 AS
|
|
( SELECT pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, node_name
|
|
, mppdb_cpu_time
|
|
, host_cpu_busy_time
|
|
, (host_cpu_busy_time+host_cpu_idle_time+host_cpu_iowait_time)::numeric AS host_cpu_total_time
|
|
FROM cpu_stat
|
|
)
|
|
, mppdb_cpu_stat AS
|
|
( SELECT stat_collect_time
|
|
, node_name
|
|
, mppdb_cpu_time
|
|
, ( (mppdb_cpu_time * 100.0) / NULLIF(host_cpu_busy_time, 0) )::numeric(5, 2) AS mppdb_cpu_time_perc_wrt_busy_time
|
|
, ( (mppdb_cpu_time * 100.0) / NULLIF(host_cpu_total_time, 0) )::numeric(5, 2) AS mppdb_cpu_time_perc_wrt_total_time
|
|
FROM mppdb_cpu_stat0
|
|
)
|
|
, mppdb_cpu_stat_summary AS
|
|
( SELECT stat_collect_time
|
|
, AVG(mppdb_cpu_time)::numeric(21, 3) AS avg_mppdb_cpu_time
|
|
, SUM(mppdb_cpu_time)::numeric(21, 3) AS tot_mppdb_cpu_time
|
|
, MIN(mppdb_cpu_time_perc_wrt_busy_time)::numeric(5, 2) AS min_mppdb_cpu_time_perc_wrt_busy_time
|
|
, MAX(mppdb_cpu_time_perc_wrt_busy_time)::numeric(5, 2) AS max_mppdb_cpu_time_perc_wrt_busy_time
|
|
, MIN(mppdb_cpu_time_perc_wrt_total_time)::numeric(5, 2) AS min_mppdb_cpu_time_perc_wrt_total_time
|
|
, MAX(mppdb_cpu_time_perc_wrt_total_time)::numeric(5, 2) AS max_mppdb_cpu_time_perc_wrt_total_time
|
|
FROM mppdb_cpu_stat
|
|
GROUP BY stat_collect_time
|
|
)
|
|
SELECT mcs.stat_collect_time
|
|
, mcs.avg_mppdb_cpu_time
|
|
, hcs.avg_host_cpu_busy_time
|
|
, hcs.avg_host_cpu_total_time
|
|
, CASE WHEN mcs.tot_mppdb_cpu_time < hcs.tot_host_cpu_busy_time
|
|
THEN ( (mcs.tot_mppdb_cpu_time * 100.0) / NULLIF(hcs.tot_host_cpu_busy_time, 0) )::numeric(5, 2)
|
|
ELSE 100.00
|
|
END AS mppdb_cpu_time_perc_wrt_busy_time
|
|
, CASE WHEN mcs.tot_mppdb_cpu_time < hcs.tot_host_cpu_total_time
|
|
THEN ( (mcs.tot_mppdb_cpu_time * 100.0) / NULLIF(hcs.tot_host_cpu_total_time, 0) )::numeric(5, 2)
|
|
ELSE 100.00
|
|
END AS mppdb_cpu_time_perc_wrt_total_time
|
|
, mcs.min_mppdb_cpu_time_perc_wrt_busy_time
|
|
, mcs.max_mppdb_cpu_time_perc_wrt_busy_time
|
|
, mcs.min_mppdb_cpu_time_perc_wrt_total_time
|
|
, mcs.max_mppdb_cpu_time_perc_wrt_total_time
|
|
FROM mppdb_cpu_stat_summary mcs
|
|
, host_cpu_stat_summary hcs
|
|
WHERE mcs.stat_collect_time = hcs.stat_collect_time
|
|
ORDER BY mcs.stat_collect_time;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- Shared buffer statistics at cluster level
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.get_cluster_shared_buffer_stat
|
|
( IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_shared_buffer_hit_ratio numeric(5, 2)
|
|
, OUT o_min_shared_buffer_hit_ratio numeric(5, 2)
|
|
, OUT o_max_shared_buffer_hit_ratio numeric(5, 2)
|
|
, OUT o_total_blocks_read bigint
|
|
, OUT o_total_blocks_hit bigint
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_error_message text;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of cluster shared buffer statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, ( (total_blocks_hit * 100.0) / NULLIF(total_blocks_read+total_blocks_hit, 0) )::numeric(5, 2) AS shared_buffer_hit_ratio
|
|
, min_shared_buffer_hit_ratio
|
|
, max_shared_buffer_hit_ratio
|
|
, total_blocks_read
|
|
, total_blocks_hit
|
|
FROM ( SELECT pmk_curr_collect_start_time
|
|
, SUM(blocks_read)::bigint AS total_blocks_read
|
|
, SUM(blocks_hit)::bigint AS total_blocks_hit
|
|
, MIN(shared_buffer_hit_ratio)::numeric(5, 2) AS min_shared_buffer_hit_ratio
|
|
, MAX(shared_buffer_hit_ratio)::numeric(5, 2) AS max_shared_buffer_hit_ratio
|
|
FROM ( SELECT s.pmk_curr_collect_start_time
|
|
, node_name
|
|
, blocks_read_delta AS blocks_read
|
|
, blocks_hit_delta AS blocks_hit
|
|
, ( (blocks_hit_delta * 100.0) / NULLIF((blocks_read_delta + blocks_hit_delta), 0) )::numeric(5, 2) AS shared_buffer_hit_ratio
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
UNION ALL
|
|
SELECT s.pmk_curr_collect_start_time
|
|
, node_name
|
|
, blocks_read_delta AS blocks_read
|
|
, blocks_hit_delta AS blocks_hit
|
|
, ( (blocks_hit_delta * 100.0) / NULLIF((blocks_read_delta + blocks_hit_delta), 0) )::numeric(5, 2) AS shared_buffer_hit_ratio
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
)
|
|
GROUP BY pmk_curr_collect_start_time
|
|
)
|
|
ORDER BY stat_collect_time;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- Sort statistics at cluster level
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.get_cluster_memory_sort_stat
|
|
( IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_memory_sort_ratio numeric(5, 2)
|
|
, OUT o_min_memory_sort_ratio numeric(5, 2)
|
|
, OUT o_max_memory_sort_ratio numeric(5, 2)
|
|
, OUT o_total_memory_sorts bigint
|
|
, OUT o_total_disk_sorts bigint
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_error_message text;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of cluster memory sort statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, ( (total_memory_sorts * 100.0) / NULLIF(total_disk_sorts+total_memory_sorts, 0) )::numeric(5, 2) AS memory_sort_ratio
|
|
, min_memory_sort_ratio
|
|
, max_memory_sort_ratio
|
|
, total_memory_sorts
|
|
, total_disk_sorts
|
|
FROM ( SELECT pmk_curr_collect_start_time
|
|
, SUM(memory_sorts)::bigint AS total_memory_sorts
|
|
, SUM(disk_sorts)::bigint AS total_disk_sorts
|
|
, MIN(memory_sort_ratio)::numeric(5, 2) AS min_memory_sort_ratio
|
|
, MAX(memory_sort_ratio)::numeric(5, 2) AS max_memory_sort_ratio
|
|
FROM ( SELECT s.pmk_curr_collect_start_time
|
|
, node_name
|
|
, sorts_in_memory_delta AS memory_sorts
|
|
, sorts_in_disk_delta AS disk_sorts
|
|
, ( (sorts_in_memory_delta * 100.0) / NULLIF((sorts_in_disk_delta + sorts_in_memory_delta), 0) )::numeric(5, 2) AS memory_sort_ratio
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
UNION ALL
|
|
SELECT s.pmk_curr_collect_start_time
|
|
, node_name
|
|
, sorts_in_memory_delta AS memory_sorts
|
|
, sorts_in_disk_delta AS disk_sorts
|
|
, ( (sorts_in_memory_delta * 100.0) / NULLIF((sorts_in_disk_delta + sorts_in_memory_delta), 0) )::numeric(5, 2) AS memory_sort_ratio
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
)
|
|
GROUP BY pmk_curr_collect_start_time
|
|
)
|
|
ORDER BY stat_collect_time;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- I/O statistics at cluster level
|
|
CREATE OR REPLACE FUNCTION pmk.get_cluster_io_stat
|
|
( IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_number_of_files int
|
|
, OUT o_physical_reads bigint
|
|
, OUT o_physical_writes bigint
|
|
, OUT o_read_time bigint
|
|
, OUT o_write_time bigint
|
|
, OUT o_avg_read_per_sec numeric(20,2)
|
|
, OUT o_avg_read_time numeric(20,3)
|
|
, OUT o_avg_write_per_sec numeric(20,2)
|
|
, OUT o_avg_write_time numeric(20,3)
|
|
, OUT o_min_node_read_per_sec numeric(20,2)
|
|
, OUT o_max_node_read_per_sec numeric(20,2)
|
|
, OUT o_min_node_read_time numeric(20,3)
|
|
, OUT o_max_node_read_time numeric(20,3)
|
|
, OUT o_min_node_write_per_sec numeric(20,2)
|
|
, OUT o_max_node_write_per_sec numeric(20,2)
|
|
, OUT o_min_node_write_time numeric(20,3)
|
|
, OUT o_max_node_write_time numeric(20,3)
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_error_message text;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of cluster I/O statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, number_of_files
|
|
, physical_reads
|
|
, physical_writes
|
|
, read_time
|
|
, write_time
|
|
, ( physical_reads * 1000000.0 / NULLIF(read_time, 0) )::numeric(20,2) AS avg_read_per_sec
|
|
, ( read_time * 1.0 / NULLIF(physical_reads, 0) )::numeric(20,3) AS avg_read_time
|
|
, ( physical_writes * 1000000.0 / NULLIF(write_time, 0) )::numeric(20,2) AS avg_write_per_sec
|
|
, ( write_time * 1.0 / NULLIF(physical_writes, 0) )::numeric(20,3) AS avg_write_time
|
|
, min_node_read_per_sec
|
|
, max_node_read_per_sec
|
|
, min_node_read_time
|
|
, max_node_read_time
|
|
, min_node_write_per_sec
|
|
, max_node_write_per_sec
|
|
, min_node_write_time
|
|
, max_node_write_time
|
|
FROM ( SELECT pmk_curr_collect_start_time
|
|
, SUM(number_of_files)::int AS number_of_files
|
|
, SUM(physical_reads_delta)::bigint AS physical_reads
|
|
, SUM(physical_writes_delta)::bigint AS physical_writes
|
|
, SUM(read_time_delta)::bigint AS read_time
|
|
, SUM(write_time_delta)::bigint AS write_time
|
|
, MIN(node_read_per_sec) AS min_node_read_per_sec
|
|
, MAX(node_read_per_sec) AS max_node_read_per_sec
|
|
, MIN(node_read_time) AS min_node_read_time
|
|
, MAX(node_read_time) AS max_node_read_time
|
|
, MIN(node_write_per_sec) AS min_node_write_per_sec
|
|
, MAX(node_write_per_sec) AS max_node_write_per_sec
|
|
, MIN(node_write_time) AS min_node_write_time
|
|
, MAX(node_write_time) AS max_node_write_time
|
|
FROM ( SELECT s.pmk_curr_collect_start_time
|
|
, node_name
|
|
, number_of_files
|
|
, physical_reads_delta
|
|
, physical_writes_delta
|
|
, read_time_delta
|
|
, write_time_delta
|
|
, ( physical_reads_delta * 1000000.0 / NULLIF(read_time_delta, 0) )::numeric(20,2) AS node_read_per_sec
|
|
, ( read_time_delta * 1.0 / NULLIF(physical_reads_delta, 0) )::numeric(20,3) AS node_read_time
|
|
, ( physical_writes_delta * 1000000.0 / NULLIF(write_time_delta, 0) )::numeric(20,2) AS node_write_per_sec
|
|
, ( write_time_delta * 1.0 / NULLIF(physical_writes_delta, 0) )::numeric(20,3) AS node_write_time
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
UNION ALL
|
|
SELECT s.pmk_curr_collect_start_time
|
|
, node_name
|
|
, number_of_files
|
|
, physical_reads_delta
|
|
, physical_writes_delta
|
|
, read_time_delta
|
|
, write_time_delta
|
|
, ( physical_reads_delta * 1000000.0 / NULLIF(read_time_delta, 0) )::numeric(20,2) AS node_read_per_sec
|
|
, ( read_time_delta * 1.0 / NULLIF(physical_reads_delta, 0) )::numeric(20,3) AS node_read_time
|
|
, ( physical_writes_delta * 1000000.0 / NULLIF(write_time_delta, 0) )::numeric(20,2) AS node_write_per_sec
|
|
, ( write_time_delta * 1.0 / NULLIF(physical_writes_delta, 0) )::numeric(20,3) AS node_write_time
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
)
|
|
GROUP BY pmk_curr_collect_start_time
|
|
)
|
|
ORDER BY stat_collect_time;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- Disk usage statistics at cluster level
|
|
CREATE OR REPLACE FUNCTION pmk.get_cluster_disk_usage_stat
|
|
( IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, IN i_db_size text
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_tot_datanode_db_size text
|
|
, OUT o_max_datanode_db_size text
|
|
, OUT o_tot_physical_writes bigint
|
|
, OUT o_max_node_physical_writes bigint
|
|
, OUT o_max_node_write_per_sec numeric(20,2)
|
|
, OUT o_avg_write_per_sec numeric(20,2)
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_error_message text;
|
|
DECLARE l_db_size bigint;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of cluster disk usage statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
IF i_db_size = '0'
|
|
THEN
|
|
SELECT SUM(pg_database_size(oid))::bigint
|
|
INTO l_db_size
|
|
FROM pg_database;
|
|
ELSE
|
|
SELECT SUM(i_db_size)::bigint
|
|
INTO l_db_size;
|
|
END IF;
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
, disk_stat AS
|
|
(
|
|
SELECT s.pmk_curr_collect_start_time
|
|
, db_size
|
|
, physical_writes_delta
|
|
, write_time_delta
|
|
, ( physical_writes_delta * 1000000.0 / NULLIF(write_time_delta, 0) )::numeric(20,2) AS node_write_per_sec
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
)
|
|
SELECT pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, pg_size_pretty(tot_datanode_db_size) AS tot_datanode_db_size
|
|
, pg_size_pretty(max_datanode_db_size) AS max_datanode_db_size
|
|
, tot_physical_writes
|
|
, max_node_physical_writes
|
|
, max_node_write_per_sec
|
|
, ( tot_physical_writes * 1000000.0 / NULLIF(tot_write_time, 0) )::numeric(20,2) AS avg_write_per_sec
|
|
FROM ( SELECT pmk_curr_collect_start_time
|
|
, l_db_size::bigint AS tot_datanode_db_size
|
|
, MAX(db_size)::bigint AS max_datanode_db_size
|
|
, SUM(physical_writes_delta)::bigint AS tot_physical_writes
|
|
, SUM(write_time_delta)::bigint AS tot_write_time
|
|
, MAX(physical_writes_delta)::bigint AS max_node_physical_writes
|
|
, MAX(node_write_per_sec) AS max_node_write_per_sec
|
|
FROM disk_stat
|
|
GROUP BY pmk_curr_collect_start_time
|
|
)
|
|
ORDER BY pmk_curr_collect_start_time;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- Active SQL count statistics at cluster level
|
|
CREATE OR REPLACE FUNCTION pmk.get_cluster_active_sql_count
|
|
( IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_tot_active_sql_count int
|
|
, OUT o_avg_active_sql_count numeric(9, 2)
|
|
, OUT o_min_active_sql_count int
|
|
, OUT o_max_active_sql_count int
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_error_message text;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of active SQL count statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, tot_active_sql_count
|
|
, avg_active_sql_count
|
|
, min_active_sql_count
|
|
, max_active_sql_count
|
|
FROM ( SELECT s.pmk_curr_collect_start_time
|
|
, SUM(active_sql_count)::int AS tot_active_sql_count
|
|
, ROUND(AVG(active_sql_count), 2)::numeric(9, 2) AS avg_active_sql_count
|
|
, MIN(active_sql_count)::int AS min_active_sql_count
|
|
, MAX(active_sql_count)::int AS max_active_sql_count
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
GROUP BY s.pmk_curr_collect_start_time
|
|
)
|
|
ORDER BY stat_collect_time;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- Connected session count statistics at cluster level
|
|
CREATE OR REPLACE FUNCTION pmk.get_cluster_session_count
|
|
( IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_tot_session_count int
|
|
, OUT o_avg_session_count numeric(9, 2)
|
|
, OUT o_min_session_count int
|
|
, OUT o_max_session_count int
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_error_message text;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of session count statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, tot_session_count
|
|
, avg_session_count
|
|
, min_session_count
|
|
, max_session_count
|
|
FROM ( SELECT s.pmk_curr_collect_start_time
|
|
, SUM(session_count)::int AS tot_session_count
|
|
, ROUND(AVG(session_count), 2)::numeric(9, 2) AS avg_session_count
|
|
, MIN(session_count)::int AS min_session_count
|
|
, MAX(session_count)::int AS max_session_count
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
GROUP BY s.pmk_curr_collect_start_time
|
|
)
|
|
ORDER BY stat_collect_time;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- CPU statistics at node level
|
|
CREATE OR REPLACE FUNCTION pmk.get_node_cpu_stat
|
|
( IN i_node_name text
|
|
, IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, OUT o_node_type char(1)
|
|
, OUT o_node_name text
|
|
, OUT o_node_host text
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_mppdb_cpu_time bigint
|
|
, OUT o_host_cpu_busy_time bigint
|
|
, OUT o_host_cpu_total_time bigint
|
|
, OUT o_mppdb_cpu_time_perc_wrt_busy_time numeric(5, 2)
|
|
, OUT o_mppdb_cpu_time_perc_wrt_total_time numeric(5, 2)
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_node_type char(1);
|
|
l_node_name text;
|
|
l_error_message text;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_node_name := UPPER(i_node_name);
|
|
|
|
IF l_node_name <> 'ALL'
|
|
THEN
|
|
SELECT MAX(node_type)
|
|
INTO l_node_type
|
|
FROM pgxc_node
|
|
WHERE UPPER(node_name) = l_node_name
|
|
LIMIT 1;
|
|
|
|
IF l_node_type IS NULL
|
|
THEN
|
|
l_error_message := 'ERROR:: Invalid node name ("' || i_node_name || '") provided during generation of node (MPPDB instance) CPU statistics ...';
|
|
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of node (MPPDB instance) CPU statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
IF l_node_name = 'ALL'
|
|
THEN
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT node_type
|
|
, node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, mppdb_cpu_time
|
|
, host_cpu_busy_time
|
|
, (host_cpu_busy_time+host_cpu_idle_time+host_cpu_iowait_time)::bigint AS host_cpu_total_time
|
|
, ( (LEAST(mppdb_cpu_time,host_cpu_busy_time) * 100.0) / NULLIF(host_cpu_busy_time, 0) )::numeric(5, 2) AS mppdb_cpu_time_perc_wrt_busy_time
|
|
, ( (LEAST(mppdb_cpu_time,host_total_cpu_time) * 100.0) / NULLIF((host_cpu_busy_time+host_cpu_idle_time+host_cpu_iowait_time), 0) )::numeric(5, 2) AS mppdb_cpu_time_perc_wrt_total_time
|
|
FROM ( SELECT 'D'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, s.pmk_curr_collect_start_time
|
|
, (busy_time_delta * 10)::bigint AS host_cpu_busy_time
|
|
, (idle_time_delta * 10)::bigint AS host_cpu_idle_time
|
|
, (iowait_time_delta * 10)::bigint AS host_cpu_iowait_time
|
|
, ((busy_time_delta+idle_time_delta+iowait_time_delta)*10)::bigint AS host_total_cpu_time
|
|
, (db_cpu_time_delta * 10)::bigint AS mppdb_cpu_time
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
UNION ALL
|
|
SELECT 'C'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, s.pmk_curr_collect_start_time
|
|
, (busy_time_delta * 10)::bigint AS host_cpu_busy_time
|
|
, (idle_time_delta * 10)::bigint AS host_cpu_idle_time
|
|
, (iowait_time_delta * 10)::bigint AS host_cpu_iowait_time
|
|
, ((busy_time_delta+idle_time_delta+iowait_time_delta)*10)::bigint AS host_total_cpu_time
|
|
, (db_cpu_time_delta * 10)::bigint AS mppdb_cpu_time
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
)
|
|
ORDER BY node_type, node_name, stat_collect_time;
|
|
|
|
ELSE
|
|
|
|
IF l_node_type = 'D'
|
|
THEN
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT 'D'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, mppdb_cpu_time
|
|
, host_cpu_busy_time
|
|
, (host_cpu_busy_time+host_cpu_idle_time+host_cpu_iowait_time)::bigint AS host_cpu_total_time
|
|
, ( (mppdb_cpu_time * 100.0) / NULLIF(host_cpu_busy_time, 0) )::numeric(5, 2) AS mppdb_cpu_time_perc_wrt_busy_time
|
|
, ( (mppdb_cpu_time * 100.0) / NULLIF((host_cpu_busy_time+host_cpu_idle_time+host_cpu_iowait_time), 0) )::numeric(5, 2) AS mppdb_cpu_time_perc_wrt_total_time
|
|
FROM ( SELECT node_name
|
|
, node_host
|
|
, s.pmk_curr_collect_start_time
|
|
, (busy_time_delta * 10)::bigint AS host_cpu_busy_time
|
|
, (idle_time_delta * 10)::bigint AS host_cpu_idle_time
|
|
, (iowait_time_delta * 10)::bigint AS host_cpu_iowait_time
|
|
, (db_cpu_time_delta * 10)::bigint AS mppdb_cpu_time
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
AND UPPER(node_name) = l_node_name
|
|
)
|
|
ORDER BY node_name, stat_collect_time;
|
|
|
|
ELSE
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT 'C'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, mppdb_cpu_time
|
|
, host_cpu_busy_time
|
|
, (host_cpu_busy_time+host_cpu_idle_time+host_cpu_iowait_time)::bigint AS host_cpu_total_time
|
|
, ( (mppdb_cpu_time * 100.0) / NULLIF(host_cpu_busy_time, 0) )::numeric(5, 2) AS mppdb_cpu_time_perc_wrt_busy_time
|
|
, ( (mppdb_cpu_time * 100.0) / NULLIF((host_cpu_busy_time+host_cpu_idle_time+host_cpu_iowait_time), 0) )::numeric(5, 2) AS mppdb_cpu_time_perc_wrt_total_time
|
|
FROM ( SELECT node_name
|
|
, node_host
|
|
, s.pmk_curr_collect_start_time
|
|
, (busy_time_delta * 10)::bigint AS host_cpu_busy_time
|
|
, (idle_time_delta * 10)::bigint AS host_cpu_idle_time
|
|
, (iowait_time_delta * 10)::bigint AS host_cpu_iowait_time
|
|
, (db_cpu_time_delta * 10)::bigint AS mppdb_cpu_time
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
AND UPPER(node_name) = l_node_name
|
|
)
|
|
ORDER BY node_name, stat_collect_time;
|
|
|
|
END IF; -- end of l_node_type = 'D'
|
|
END IF; -- end of l_node_name = 'ALL'
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- Memory statistics at node level
|
|
CREATE OR REPLACE FUNCTION pmk.get_node_memory_stat
|
|
( IN i_node_name text
|
|
, IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, OUT o_node_type char(1)
|
|
, OUT o_node_name text
|
|
, OUT o_node_host text
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_physical_memory bigint
|
|
, OUT o_db_memory_usage bigint
|
|
, OUT o_shared_buffer_size bigint
|
|
, OUT o_blocks_read bigint
|
|
, OUT o_blocks_hit bigint
|
|
, OUT o_shared_buffer_hit_ratio numeric(5, 2)
|
|
, OUT o_work_memory_size bigint
|
|
, OUT o_sorts_in_memory bigint
|
|
, OUT o_sorts_in_disk bigint
|
|
, OUT o_in_memory_sort_ratio numeric(5, 2)
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_node_type char(1);
|
|
l_node_name text;
|
|
l_error_message text;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_node_name := UPPER(i_node_name);
|
|
|
|
IF l_node_name <> 'ALL'
|
|
THEN
|
|
SELECT MAX(node_type)
|
|
INTO l_node_type
|
|
FROM pgxc_node
|
|
WHERE UPPER(node_name) = l_node_name
|
|
LIMIT 1;
|
|
|
|
IF l_node_type IS NULL
|
|
THEN
|
|
l_error_message := 'ERROR:: Invalid node name ("' || i_node_name || '") provided during generation of node (MPPDB instance) memory statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of node (MPPDB instance) memory statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
IF l_node_name = 'ALL'
|
|
THEN
|
|
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT node_type
|
|
, node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, physical_memory
|
|
, db_memory_usage
|
|
, shared_buffer_size
|
|
, blocks_read
|
|
, blocks_hit
|
|
, ( (blocks_hit * 100.0) / NULLIF((blocks_read + blocks_hit), 0) )::numeric(5, 2) AS shared_buffer_hit_ratio
|
|
, work_memory_size
|
|
, sorts_in_memory
|
|
, sorts_in_disk
|
|
, ( (sorts_in_memory * 100.0) / NULLIF((sorts_in_disk + sorts_in_memory), 0) )::numeric(5, 2) AS in_memory_sort_ratio
|
|
FROM ( SELECT 'D'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, s.pmk_curr_collect_start_time
|
|
, physical_memory
|
|
, db_memory_usage
|
|
, shared_buffer_size
|
|
, blocks_read_delta AS blocks_read
|
|
, blocks_hit_delta AS blocks_hit
|
|
, work_memory_size
|
|
, sorts_in_memory_delta AS sorts_in_memory
|
|
, sorts_in_disk_delta AS sorts_in_disk
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
UNION ALL
|
|
SELECT 'C'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, s.pmk_curr_collect_start_time
|
|
, physical_memory
|
|
, db_memory_usage
|
|
, shared_buffer_size
|
|
, blocks_read_delta AS blocks_read
|
|
, blocks_hit_delta AS blocks_hit
|
|
, work_memory_size
|
|
, sorts_in_memory_delta AS sorts_in_memory
|
|
, sorts_in_disk_delta AS sorts_in_disk
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
)
|
|
ORDER BY node_type, node_name, stat_collect_time;
|
|
ELSE
|
|
IF l_node_type = 'D'
|
|
THEN
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT 'D'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, physical_memory
|
|
, db_memory_usage
|
|
, shared_buffer_size
|
|
, blocks_read
|
|
, blocks_hit
|
|
, ( (blocks_hit * 100.0) / NULLIF((blocks_read + blocks_hit), 0) )::numeric(5, 2) AS shared_buffer_hit_ratio
|
|
, work_memory_size
|
|
, sorts_in_memory
|
|
, sorts_in_disk
|
|
, ( (sorts_in_memory * 100.0) / NULLIF((sorts_in_disk + sorts_in_memory), 0) )::numeric(5, 2) AS in_memory_sort_ratio
|
|
FROM ( SELECT node_name
|
|
, node_host
|
|
, s.pmk_curr_collect_start_time
|
|
, physical_memory
|
|
, db_memory_usage
|
|
, shared_buffer_size
|
|
, blocks_read_delta AS blocks_read
|
|
, blocks_hit_delta AS blocks_hit
|
|
, work_memory_size
|
|
, sorts_in_memory_delta AS sorts_in_memory
|
|
, sorts_in_disk_delta AS sorts_in_disk
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
AND UPPER(node_name) = l_node_name
|
|
)
|
|
ORDER BY node_name, stat_collect_time;
|
|
|
|
ELSE
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT 'C'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, physical_memory
|
|
, db_memory_usage
|
|
, shared_buffer_size
|
|
, blocks_read
|
|
, blocks_hit
|
|
, ( (blocks_hit * 100.0) / NULLIF((blocks_read + blocks_hit), 0) )::numeric(5, 2) AS shared_buffer_hit_ratio
|
|
, work_memory_size
|
|
, sorts_in_memory
|
|
, sorts_in_disk
|
|
, ( (sorts_in_memory * 100.0) / NULLIF((sorts_in_disk + sorts_in_memory), 0) )::numeric(5, 2) AS in_memory_sort_ratio
|
|
FROM ( SELECT node_name
|
|
, node_host
|
|
, s.pmk_curr_collect_start_time
|
|
, physical_memory
|
|
, db_memory_usage
|
|
, shared_buffer_size
|
|
, blocks_read_delta AS blocks_read
|
|
, blocks_hit_delta AS blocks_hit
|
|
, work_memory_size
|
|
, sorts_in_memory_delta AS sorts_in_memory
|
|
, sorts_in_disk_delta AS sorts_in_disk
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
AND UPPER(node_name) = l_node_name
|
|
)
|
|
ORDER BY node_name, stat_collect_time;
|
|
|
|
END IF; -- end of l_node_type = 'D'
|
|
END IF; -- end of l_node_name = 'ALL'
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- I/O statistics at node level
|
|
CREATE OR REPLACE FUNCTION pmk.get_node_io_stat
|
|
( IN i_node_name text
|
|
, IN i_start_pmk_time timestamp with time zone
|
|
, IN i_end_pmk_time timestamp with time zone
|
|
, OUT o_node_type char(1)
|
|
, OUT o_node_name text
|
|
, OUT o_node_host text
|
|
, OUT o_stat_collect_time timestamp
|
|
, OUT o_number_of_files int
|
|
, OUT o_physical_reads bigint
|
|
, OUT o_physical_writes bigint
|
|
, OUT o_read_time bigint
|
|
, OUT o_write_time bigint
|
|
, OUT o_avg_read_per_sec numeric(20,2)
|
|
, OUT o_avg_read_time numeric(20,3)
|
|
, OUT o_avg_write_per_sec numeric(20,2)
|
|
, OUT o_avg_write_time numeric(20,3)
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_node_type char(1);
|
|
l_node_name text;
|
|
l_error_message text;
|
|
BEGIN
|
|
|
|
l_error_message := pmk.check_node_type();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_error_message := pmk.check_pmk_enabled();
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
l_node_name := UPPER(i_node_name);
|
|
|
|
IF l_node_name <> 'ALL'
|
|
THEN
|
|
SELECT MAX(node_type)
|
|
INTO l_node_type
|
|
FROM pgxc_node
|
|
WHERE UPPER(node_name) = l_node_name
|
|
LIMIT 1;
|
|
|
|
IF l_node_type IS NULL
|
|
THEN
|
|
l_error_message := 'ERROR:: Invalid node name ("' || i_node_name || '") provided during generation of node (MPPDB instance) I/O statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
END IF;
|
|
|
|
-- Verifying the input start and end times
|
|
pmk.check_start_end_dates(i_start_pmk_time, i_end_pmk_time, l_error_message);
|
|
|
|
IF l_error_message IS NOT NULL
|
|
THEN
|
|
l_error_message := l_error_message || ' during generation of node (MPPDB instance) I/O statistics ...';
|
|
raise notice '%',l_error_message;
|
|
RETURN;
|
|
END IF;
|
|
|
|
IF l_node_name = 'ALL'
|
|
THEN
|
|
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT node_type
|
|
, node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, number_of_files
|
|
, physical_reads
|
|
, physical_writes
|
|
, read_time
|
|
, write_time
|
|
, ( physical_reads * 1000000.0 / NULLIF(read_time, 0) )::numeric(20,2) AS avg_read_per_sec
|
|
, ( read_time * 1.0 / NULLIF(physical_reads, 0) )::numeric(20,3) AS avg_read_time
|
|
, ( physical_writes * 1000000.0 / NULLIF(write_time, 0) )::numeric(20,2) AS avg_write_per_sec
|
|
, ( write_time * 1.0 / NULLIF(physical_writes, 0) )::numeric(20,3) AS avg_write_time
|
|
FROM ( SELECT 'D'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, s.pmk_curr_collect_start_time
|
|
, number_of_files
|
|
, physical_reads_delta AS physical_reads
|
|
, physical_writes_delta AS physical_writes
|
|
, read_time_delta AS read_time
|
|
, write_time_delta AS write_time
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
UNION ALL
|
|
SELECT 'C'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, s.pmk_curr_collect_start_time
|
|
, number_of_files
|
|
, physical_reads_delta AS physical_reads
|
|
, physical_writes_delta AS physical_writes
|
|
, read_time_delta AS read_time
|
|
, write_time_delta AS write_time
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
)
|
|
ORDER BY node_type, node_name, stat_collect_time;
|
|
|
|
ELSE
|
|
|
|
IF l_node_type = 'D'
|
|
THEN
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT 'D'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, number_of_files
|
|
, physical_reads
|
|
, physical_writes
|
|
, read_time
|
|
, write_time
|
|
, ( physical_reads * 1000000.0 / NULLIF(read_time, 0) )::numeric(20,2) AS avg_read_per_sec
|
|
, ( read_time * 1.0 / NULLIF(physical_reads, 0) )::numeric(20,3) AS avg_read_time
|
|
, ( physical_writes * 1000000.0 / NULLIF(write_time, 0) )::numeric(20,2) AS avg_write_per_sec
|
|
, ( write_time * 1.0 / NULLIF(physical_writes, 0) )::numeric(20,3) AS avg_write_time
|
|
FROM ( SELECT node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time
|
|
, number_of_files
|
|
, physical_reads_delta AS physical_reads
|
|
, physical_writes_delta AS physical_writes
|
|
, read_time_delta AS read_time
|
|
, write_time_delta AS write_time
|
|
FROM pmk.pmk_snapshot_datanode_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
AND UPPER(node_name) = l_node_name
|
|
)
|
|
ORDER BY node_name, stat_collect_time;
|
|
|
|
ELSE
|
|
RETURN QUERY
|
|
WITH snap AS
|
|
( SELECT snapshot_id
|
|
, current_snapshot_time AS pmk_curr_collect_start_time
|
|
FROM pmk.pmk_snapshot
|
|
WHERE current_snapshot_time BETWEEN i_start_pmk_time AND i_end_pmk_time
|
|
)
|
|
SELECT 'C'::char(1) AS node_type
|
|
, node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time::timestamp AS stat_collect_time
|
|
, number_of_files
|
|
, physical_reads
|
|
, physical_writes
|
|
, read_time
|
|
, write_time
|
|
, ( physical_reads * 1000000.0 / NULLIF(read_time, 0) )::numeric(20,2) AS avg_read_per_sec
|
|
, ( read_time * 1.0 / NULLIF(physical_reads, 0) )::numeric(20,3) AS avg_read_time
|
|
, ( physical_writes * 1000000.0 / NULLIF(write_time, 0) )::numeric(20,2) AS avg_write_per_sec
|
|
, ( write_time * 1.0 / NULLIF(physical_writes, 0) )::numeric(20,3) AS avg_write_time
|
|
FROM ( SELECT node_name
|
|
, node_host
|
|
, pmk_curr_collect_start_time
|
|
, number_of_files
|
|
, physical_reads_delta AS physical_reads
|
|
, physical_writes_delta AS physical_writes
|
|
, read_time_delta AS read_time
|
|
, write_time_delta AS write_time
|
|
FROM pmk.pmk_snapshot_coordinator_stat dns, snap s
|
|
WHERE dns.snapshot_id = s.snapshot_id
|
|
AND UPPER(node_name) = l_node_name
|
|
)
|
|
ORDER BY node_name, stat_collect_time;
|
|
|
|
END IF; -- end of l_node_type = 'D'
|
|
END IF; -- end of l_node_name = 'ALL'
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
-- This function is used to find TOP N sessions, which take more CPU time
|
|
-- But this function returns Top N sessions from each node.
|
|
-- The outer function (get_session_cpu_stat) return the Top N sessions as the final result.
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.get_session_cpu_stat
|
|
( IN i_node_name text
|
|
, IN i_top_n_sessions smallint
|
|
, OUT o_node_name name
|
|
, OUT o_db_name name
|
|
, OUT o_user_name name
|
|
, OUT o_client_hostname text
|
|
, OUT o_session_start_time timestamp
|
|
, OUT o_xact_start_time timestamp
|
|
, OUT o_waiting boolean
|
|
, OUT o_state text
|
|
, OUT o_query text
|
|
, OUT o_session_cpu_time bigint
|
|
, OUT o_mppdb_cpu_time bigint
|
|
, OUT o_mppdb_cpu_time_perc numeric(5, 2)
|
|
, OUT o_avg_sql_exec_time numeric(15, 3)
|
|
)
|
|
RETURNS SETOF RECORD
|
|
AS
|
|
$$
|
|
DECLARE l_node_query text;
|
|
l_execute_query text;
|
|
BEGIN
|
|
|
|
FOR i IN ( SELECT node_name
|
|
FROM pgxc_node nl
|
|
WHERE UPPER(nl.node_name) = COALESCE(NULLIF(UPPER(i_node_name), 'ALL'), UPPER(nl.node_name))
|
|
)
|
|
LOOP
|
|
|
|
l_node_query := 'WITH sess_time_stat0 AS
|
|
( SELECT sessid, stat_name
|
|
, (value/1000.0)::numeric AS stat_value -- converting to millisecond
|
|
FROM pv_session_time
|
|
WHERE stat_name IN ( ''CPU_TIME'', ''EXECUTION_TIME'')
|
|
)
|
|
, sess_time_stat AS
|
|
( SELECT DISTINCT stso.sessid
|
|
, (SELECT stsi.stat_value FROM sess_time_stat0 stsi WHERE stsi.sessid = stso.sessid AND stsi.stat_name = ''CPU_TIME'') AS session_cpu_time
|
|
, (SELECT stsi.stat_value FROM sess_time_stat0 stsi WHERE stsi.sessid = stso.sessid AND stsi.stat_name = ''EXECUTION_TIME'') AS session_sql_time
|
|
FROM sess_time_stat0 stso
|
|
)
|
|
, mppdb_cpu_time AS
|
|
( SELECT (total_cpu()*10.0)::bigint AS mppdb_cpu_time -- converting to millisecond
|
|
)
|
|
, sess_cpu_stat AS
|
|
( SELECT ''' || i.node_name || '''::name AS node_name
|
|
, a.datname::name AS db_name
|
|
, a.usename::name AS user_name
|
|
, a.client_hostname
|
|
, date_trunc(''second'', a.backend_start)::timestamp AS session_start_time
|
|
, date_trunc(''second'', a.xact_start)::timestamp AS xact_start_time
|
|
, a.waiting
|
|
, a.state, a.query
|
|
, ROUND(st.session_cpu_time)::bigint AS session_cpu_time
|
|
, m.mppdb_cpu_time
|
|
, ( (st.session_cpu_time * 100.0) / NULLIF(m.mppdb_cpu_time, 0) )::numeric(5, 2) AS mppdb_cpu_time_perc
|
|
, st.sessid
|
|
, st.session_sql_time
|
|
FROM pg_stat_activity a
|
|
, sess_time_stat st
|
|
, mppdb_cpu_time m
|
|
WHERE a.state IN (''active'', ''fastpath function call'', ''retrying'')
|
|
AND a.pid = sessionid2pid(st.sessid::cstring)
|
|
ORDER BY st.session_cpu_time DESC
|
|
, mppdb_cpu_time_perc DESC
|
|
LIMIT ' || i_top_n_sessions || '
|
|
)
|
|
SELECT scs.node_name
|
|
, scs.db_name
|
|
, scs.user_name
|
|
, scs.client_hostname
|
|
, scs.session_start_time
|
|
, scs.xact_start_time
|
|
, scs.waiting
|
|
, scs.state
|
|
, scs.query
|
|
, scs.session_cpu_time
|
|
, scs.mppdb_cpu_time
|
|
, scs.mppdb_cpu_time_perc
|
|
, ( scs.session_sql_time / NULLIF(ss.value, 0) )::numeric(15, 3) AS avg_sql_exec_time
|
|
FROM sess_cpu_stat scs
|
|
, pv_session_stat ss
|
|
WHERE ss.sessid = scs.sessid
|
|
AND ss.statname = ''n_sql''';
|
|
|
|
|
|
RETURN QUERY
|
|
EXECUTE l_node_query;
|
|
|
|
END LOOP;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
|
|
|
|
-- This function is used to find TOP N sessions, which are sorted by physical_reads DESC and sorts_in_memory DESC
|
|
-- But this function returns Top N sessions from each node.
|
|
-- The outer function (get_session_memory_stat) return the Top N sessions as the final result.
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.get_session_memory_stat
|
|
( IN i_node_name text
|
|
, IN i_top_n_sessions smallint
|
|
, OUT o_node_name name
|
|
, OUT o_db_name name
|
|
, OUT o_user_name name
|
|
, OUT o_client_hostname text
|
|
, OUT o_session_start_time timestamp
|
|
, OUT o_xact_start_time timestamp
|
|
, OUT o_waiting boolean
|
|
, OUT o_state text
|
|
, OUT o_query text
|
|
, OUT o_session_total_memory_size bigint
|
|
, OUT o_session_used_memory_size bigint
|
|
, OUT o_buffer_hits bigint
|
|
, OUT o_disk_reads bigint
|
|
, OUT o_session_buffer_hit_ratio numeric(5, 2)
|
|
, OUT o_sorts_in_memory bigint
|
|
, OUT o_sorts_in_disk bigint
|
|
, OUT o_session_memory_sort_ratio numeric(5, 2)
|
|
, OUT o_avg_sql_exec_time numeric(15, 3)
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_node_query text;
|
|
l_execute_query text;
|
|
BEGIN
|
|
|
|
FOR i IN ( SELECT node_name
|
|
FROM pgxc_node nl
|
|
WHERE UPPER(nl.node_name) = COALESCE(NULLIF(UPPER(i_node_name), 'ALL'), UPPER(nl.node_name))
|
|
)
|
|
LOOP
|
|
|
|
l_node_query := 'WITH sess_memory_usage AS
|
|
( SELECT sessid
|
|
, SUM(totalsize)::bigint AS totalsize
|
|
, SUM(usedsize)::bigint AS usedsize
|
|
FROM pv_session_memory_detail
|
|
GROUP BY sessid
|
|
)
|
|
, sess_stat0 AS
|
|
( SELECT ss.sessid
|
|
, ss.statname AS statname
|
|
, ss.value AS statvalue
|
|
FROM sess_memory_usage st, pv_session_stat ss
|
|
WHERE ss.sessid = st.sessid
|
|
AND ss.statname IN ( ''n_blocks_fetched''
|
|
, ''n_shared_blocks_read'', ''n_local_blocks_read''
|
|
, ''n_sort_in_disk'', ''n_sort_in_memory''
|
|
, ''n_sql'' )
|
|
)
|
|
, sess_stat1 AS
|
|
( SELECT oss.sessid
|
|
, oss.totalsize
|
|
, oss.usedsize
|
|
, (SELECT statvalue FROM sess_stat0 iss WHERE iss.sessid = oss.sessid AND iss.statname = ''n_blocks_fetched'') AS total_reads
|
|
, (SELECT statvalue FROM sess_stat0 iss WHERE iss.sessid = oss.sessid AND iss.statname = ''n_shared_blocks_read'') AS disk_to_shared_buffer
|
|
, (SELECT statvalue FROM sess_stat0 iss WHERE iss.sessid = oss.sessid AND iss.statname = ''n_local_blocks_read'') AS disk_to_local_buffer
|
|
, (SELECT statvalue FROM sess_stat0 iss WHERE iss.sessid = oss.sessid AND iss.statname = ''n_sort_in_disk'') AS sorts_in_disk
|
|
, (SELECT statvalue FROM sess_stat0 iss WHERE iss.sessid = oss.sessid AND iss.statname = ''n_sort_in_memory'') AS sorts_in_memory
|
|
, (SELECT statvalue FROM sess_stat0 iss WHERE iss.sessid = oss.sessid AND iss.statname = ''n_sql'') AS sql_count
|
|
FROM sess_memory_usage oss
|
|
)
|
|
, sess_stat AS
|
|
( SELECT ss.sessid
|
|
, ss.totalsize
|
|
, ss.usedsize
|
|
, ss.total_reads
|
|
, (ss.disk_to_shared_buffer + ss.disk_to_local_buffer) AS disk_reads
|
|
, (ss.total_reads - (ss.disk_to_shared_buffer+ss.disk_to_local_buffer)) AS buffer_hits
|
|
, sorts_in_disk
|
|
, sorts_in_memory
|
|
, sql_count
|
|
FROM sess_stat1 ss
|
|
)
|
|
, sess_memory_stat AS
|
|
( SELECT ''' || i.node_name || '''::name AS node_name
|
|
, a.datname::name AS db_name
|
|
, a.usename::name AS user_name
|
|
, a.client_hostname
|
|
, date_trunc(''second'', a.backend_start)::timestamp AS session_start_time
|
|
, date_trunc(''second'', a.xact_start)::timestamp AS xact_start_time
|
|
, a.waiting
|
|
, a.state, a.query
|
|
, st.totalsize AS session_total_memory_size
|
|
, st.usedsize AS session_used_memory_size
|
|
, st.buffer_hits, st.disk_reads
|
|
, ( (st.buffer_hits * 100.0) / NULLIF(st.total_reads, 0) )::numeric(5, 2) AS session_buffer_hit_ratio
|
|
, st.sorts_in_memory, st.sorts_in_disk
|
|
, ( (st.sorts_in_memory * 100.0) / NULLIF(st.sorts_in_memory + st.sorts_in_disk, 0) )::numeric(5, 2) AS session_memory_sort_ratio
|
|
, st.sessid
|
|
, st.sql_count
|
|
FROM pg_stat_activity a
|
|
, sess_stat st
|
|
WHERE a.state IN (''active'', ''fastpath function call'', ''retrying'')
|
|
AND a.pid = sessionid2pid(st.sessid::cstring)
|
|
ORDER BY st.totalsize DESC
|
|
, st.usedsize DESC
|
|
LIMIT ' || i_top_n_sessions || '
|
|
)
|
|
SELECT sms.node_name
|
|
, sms.db_name
|
|
, sms.user_name
|
|
, sms.client_hostname
|
|
, sms.session_start_time
|
|
, sms.xact_start_time
|
|
, sms.waiting
|
|
, sms.state
|
|
, sms.query
|
|
, sms.session_total_memory_size
|
|
, sms.session_used_memory_size
|
|
, sms.buffer_hits
|
|
, sms.disk_reads
|
|
, sms.session_buffer_hit_ratio
|
|
, sms.sorts_in_memory
|
|
, sms.sorts_in_disk
|
|
, sms.session_memory_sort_ratio
|
|
, ( ss.value / (NULLIF(sms.sql_count, 0) * 1000.0) )::numeric(15, 3) AS avg_sql_exec_time
|
|
FROM sess_memory_stat sms
|
|
, pv_session_time ss
|
|
WHERE ss.sessid = sms.sessid
|
|
AND ss.stat_name = ''EXECUTION_TIME''';
|
|
|
|
|
|
RETURN QUERY
|
|
EXECUTE l_node_query;
|
|
|
|
END LOOP;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
|
|
-- This function is used to find TOP N sessions, which do more physical I/O operations.
|
|
-- But this function returns Top N sessions from each node.
|
|
-- The outer function (get_session_io_stat) return the Top N sessions as the final result.
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.get_session_io_stat
|
|
( IN i_node_name text
|
|
, IN i_top_n_sessions smallint
|
|
, OUT o_node_name name
|
|
, OUT o_db_name name
|
|
, OUT o_user_name name
|
|
, OUT o_client_hostname text
|
|
, OUT o_session_start_time timestamp
|
|
, OUT o_xact_start_time timestamp
|
|
, OUT o_waiting boolean
|
|
, OUT o_state text
|
|
, OUT o_query text
|
|
, OUT o_disk_reads bigint
|
|
, OUT o_read_time bigint
|
|
, OUT o_avg_read_per_sec numeric(20, 2)
|
|
, OUT o_avg_read_time numeric(20, 3)
|
|
, OUT o_avg_sql_exec_time numeric(15, 3)
|
|
)
|
|
RETURNS SETOF record
|
|
AS
|
|
$$
|
|
DECLARE l_node_query text;
|
|
l_execute_query text;
|
|
BEGIN
|
|
|
|
FOR i IN ( SELECT node_name
|
|
FROM pgxc_node nl
|
|
WHERE UPPER(nl.node_name) = COALESCE(NULLIF(UPPER(i_node_name), 'ALL'), UPPER(nl.node_name))
|
|
)
|
|
LOOP
|
|
|
|
l_node_query := 'WITH sess_stat0 AS
|
|
( SELECT ss.sessid
|
|
, ss.statname AS statname
|
|
, ss.value AS statvalue
|
|
FROM pv_session_stat ss
|
|
WHERE ss.statname IN ( ''n_shared_blocks_read'', ''n_local_blocks_read''
|
|
, ''n_blocks_read_time'', ''n_sql'' )
|
|
)
|
|
, sess_stat1 AS
|
|
( SELECT DISTINCT ss.sessid
|
|
, (SELECT statvalue FROM sess_stat0 iss WHERE iss.sessid = ss.sessid AND iss.statname = ''n_shared_blocks_read'') AS disk_to_shared_buffer
|
|
, (SELECT statvalue FROM sess_stat0 iss WHERE iss.sessid = ss.sessid AND iss.statname = ''n_local_blocks_read'') AS disk_to_local_buffer
|
|
, (SELECT statvalue FROM sess_stat0 iss WHERE iss.sessid = ss.sessid AND iss.statname = ''n_blocks_read_time'') AS read_time
|
|
, (SELECT statvalue FROM sess_stat0 iss WHERE iss.sessid = ss.sessid AND iss.statname = ''n_sql'') AS sql_count
|
|
FROM sess_stat0 ss
|
|
)
|
|
, sess_stat AS
|
|
( SELECT ss.sessid
|
|
, (ss.disk_to_shared_buffer + ss.disk_to_local_buffer) AS disk_reads
|
|
, ss.read_time
|
|
, ss.sql_count
|
|
FROM sess_stat1 ss
|
|
)
|
|
, sess_io_stat AS
|
|
( SELECT ''' || i.node_name || '''::name AS node_name
|
|
, a.datname::name AS db_name
|
|
, a.usename::name AS user_name
|
|
, a.client_hostname
|
|
, date_trunc(''second'', a.backend_start)::timestamp AS session_start_time
|
|
, date_trunc(''second'', a.xact_start)::timestamp AS xact_start_time
|
|
, a.waiting
|
|
, a.state, a.query
|
|
, st.disk_reads
|
|
, st.read_time
|
|
, ( st.disk_reads * 1000000.0 / NULLIF(st.read_time, 0) )::numeric(20,2) AS avg_read_per_sec
|
|
, ( st.read_time * 1.0 / NULLIF(st.disk_reads, 0) )::numeric(20,3) AS avg_read_time
|
|
, st.sessid
|
|
, st.sql_count
|
|
FROM pg_stat_activity a
|
|
, sess_stat st
|
|
WHERE a.state IN (''active'', ''fastpath function call'', ''retrying'')
|
|
AND a.pid = sessionid2pid(st.sessid::cstring)
|
|
ORDER BY st.disk_reads DESC
|
|
, st.read_time DESC
|
|
LIMIT ' || i_top_n_sessions || '
|
|
)
|
|
SELECT sios.node_name
|
|
, sios.db_name
|
|
, sios.user_name
|
|
, sios.client_hostname
|
|
, sios.session_start_time
|
|
, sios.xact_start_time
|
|
, sios.waiting
|
|
, sios.state
|
|
, sios.query
|
|
, sios.disk_reads
|
|
, sios.read_time
|
|
, sios.avg_read_per_sec
|
|
, sios.avg_read_time
|
|
, ( ss.value / (NULLIF(sios.sql_count, 0) * 1000.0) )::numeric(15, 3) AS avg_sql_exec_time
|
|
FROM sess_io_stat sios
|
|
, pv_session_time ss
|
|
WHERE ss.sessid = sios.sessid
|
|
AND ss.stat_name = ''EXECUTION_TIME''';
|
|
|
|
|
|
RETURN QUERY
|
|
EXECUTE l_node_query;
|
|
|
|
END LOOP;
|
|
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
|
|
-- if config_value = -1, it is considered as infinite.
|
|
|
|
CREATE OR REPLACE FUNCTION pmk.insertBaseValue()
|
|
RETURNS TEXT
|
|
AS
|
|
$$
|
|
DECLARE l_configuration_count_value INT;
|
|
l_meta_data_count_value INT;
|
|
l_version_string varchar(128);
|
|
l_result varchar(128);
|
|
BEGIN
|
|
SELECT count(config_param_name)
|
|
INTO l_configuration_count_value
|
|
FROM pmk.pmk_configuration
|
|
WHERE config_param_name IN ('Collection Count', 'Enable PMK');
|
|
|
|
IF l_configuration_count_value != 2
|
|
THEN
|
|
DELETE FROM pmk.pmk_configuration;
|
|
INSERT INTO pmk.pmk_configuration(config_param_name, config_value) VALUES ('Collection Count', '9'), ('Enable PMK', 'TRUE');
|
|
END IF;
|
|
|
|
SELECT count(pmk_version)
|
|
INTO l_meta_data_count_value
|
|
FROM pmk.pmk_meta_data;
|
|
|
|
SELECT substring(version() from '[a-zA-Z0-9 ]* V[0-9]{3}R[0-9]{3}C[0-9]{2}') INTO l_version_string;
|
|
l_result := l_version_string;
|
|
|
|
IF l_meta_data_count_value < 1
|
|
THEN
|
|
INSERT INTO pmk.pmk_meta_data (pmk_version, last_snapshot_id, last_snapshot_collect_time) VALUES (l_result, NULL, NULL);
|
|
END IF;
|
|
|
|
RETURN NULL;
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
SELECT pmk.insertBaseValue();
|
|
|
|
-- It ends the transaction started in the begining of PMK installation
|
|
COMMIT;
|
|
|
|
analyze pmk.pmk_configuration;
|
|
analyze pmk.pmk_snapshot;
|
|
analyze pmk.pmk_snapshot_datanode_stat;
|
|
analyze pmk.pmk_snapshot_coordinator_stat;
|
|
analyze pmk.pmk_meta_data; |