hcq/postgresql
1
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2026-02-10 18:57:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

Publish checkpoint timing information to pg_stat_bgwriter.

Browse Source 
Greg Smith, Peter Geoghegan, and Robert Haas
This commit is contained in:
Robert Haas
2012-04-05 14:03:21 -04:00
parent a75b08066a
commit b736aef2ec
10 changed files with 81 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/include/catalog/catversion.h
View File

@ -53,6 +53,6 @@
*/
/* yyyymmddN */
#define CATALOG_VERSION_NO 201204051
#define CATALOG_VERSION_NO 201204052
#endif

4
src/include/catalog/pg_proc.h
View File

@ -2678,6 +2678,10 @@ DATA(insert OID = 2773 ( pg_stat_get_bgwriter_maxwritten_clean PGNSP PGUID 12 1
DESCR("statistics: number of times the bgwriter stopped processing when it had written too many buffers while cleaning");
DATA(insert OID = 3075 ( pg_stat_get_bgwriter_stat_reset_time PGNSP PGUID 12 1 0 0 0 f f f f t f s 0 0 1184 "" _null_ _null_ _null_ _null_ pg_stat_get_bgwriter_stat_reset_time _null_ _null_ _null_ ));
DESCR("statistics: last reset for the bgwriter");
DATA(insert OID = 3160 ( pg_stat_get_checkpoint_write_time PGNSP PGUID 12 1 0 0 0 f f f f t f s 0 0 20 "" _null_ _null_ _null_ _null_ pg_stat_get_checkpoint_write_time _null_ _null_ _null_ ));
DESCR("statistics: total amount of checkpoint time spent writing buffers to disk");
DATA(insert OID = 3161 ( pg_stat_get_checkpoint_sync_time PGNSP PGUID 12 1 0 0 0 f f f f t f s 0 0 20 "" _null_ _null_ _null_ _null_ pg_stat_get_checkpoint_sync_time _null_ _null_ _null_ ));
DESCR("statistics: total amount of checkpoint time spent synchronizing buffers to disk");
DATA(insert OID = 2775 ( pg_stat_get_buf_written_backend PGNSP PGUID 12 1 0 0 0 f f f f t f s 0 0 20 "" _null_ _null_ _null_ _null_ pg_stat_get_buf_written_backend _null_ _null_ _null_ ));
DESCR("statistics: number of buffers written by backends");
DATA(insert OID = 3063 ( pg_stat_get_buf_fsync_backend PGNSP PGUID 12 1 0 0 0 f f f f t f s 0 0 20 "" _null_ _null_ _null_ _null_ pg_stat_get_buf_fsync_backend _null_ _null_ _null_ ));

4
src/include/pgstat.h
View File

@ -366,6 +366,8 @@ typedef struct PgStat_MsgBgWriter
PgStat_Counter m_buf_written_backend;
PgStat_Counter m_buf_fsync_backend;
PgStat_Counter m_buf_alloc;
PgStat_Counter m_checkpoint_write_time;
PgStat_Counter m_checkpoint_sync_time;
} PgStat_MsgBgWriter;
/* ----------
@ -612,6 +614,8 @@ typedef struct PgStat_GlobalStats
TimestampTz stats_timestamp; /* time of stats file update */
PgStat_Counter timed_checkpoints;
PgStat_Counter requested_checkpoints;
PgStat_Counter checkpoint_write_time; /* times in milliseconds */
PgStat_Counter checkpoint_sync_time;
PgStat_Counter buf_written_checkpoints;
PgStat_Counter buf_written_clean;
PgStat_Counter maxwritten_clean;