hcq/MaxScale
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'Markdown' of https://github.com/mariadb-corporation/MaxScale into Markdown

Browse Source
This commit is contained in:
Mark Riddoch
2015-01-30 16:00:16 +00:00
parent 1c492be02c 85a7084bf2
commit 5c48100108
1 changed files with 145 additions and 239 deletions
Download Patch File Download Diff File Expand all files Collapse all files

330
Tutorials/MySQL-Cluster-Setup.md
View File

@ -46,65 +46,46 @@ MySQL 5.5.38 as SQL node2
Cluster configuration file is /var/lib/mysql-cluster/config.ini, copied on all servers Cluster configuration file is /var/lib/mysql-cluster/config.ini, copied on all servers
[ndbd default] [ndbd default]
NoOfReplicas=2
DataMemory=60M
IndexMemory=16M
NoOfReplicas=2 [ndb_mgmd]
hostname=178.62.38.199
id=21
datadir=/var/lib/mysql-cluster
DataMemory=60M [mysqld]
hostname=178.62.38.199
IndexMemory=16M [mysqld]
hostname=162.243.90.81
[ndb_mgmd] [ndbd]
hostname=178.62.38.199
hostname=178.62.38.199 [ndbd]
hostname=162.243.90.81
id=21
datadir=/var/lib/mysql-cluster
[mysqld]
hostname=178.62.38.199
[mysqld]
hostname=162.243.90.81
[ndbd]
hostname=178.62.38.199
[ndbd]
hostname=162.243.90.81
Note, it’s possible to specify all node ids and datadir as well for each cluster component Note, it’s possible to specify all node ids and datadir as well for each cluster component
Example: Example:
[ndbd] [ndbd]
hostname=162.243.90.81
hostname=162.243.90.81 id=43
datadir=/usr/local/mysql/data
id=43
datadir=/usr/local/mysql/data
and /etc/my.cnf, copied as well in all servers and /etc/my.cnf, copied as well in all servers
[mysqld] [mysqld]
ndbcluster
ndb-connectstring=178.62.38.199
innodb_buffer_pool_size=16M
ndbcluster [mysql_cluster]
ndb-connectstring=178.62.38.199
ndb-connectstring=178.62.38.199
innodb_buffer_pool_size=16M
[mysql_cluster]
ndb-connectstring=178.62.38.199
## Startup of MySQL Cluster ## Startup of MySQL Cluster
@ -112,19 +93,19 @@ Each cluster node process must be started separately, and on the host where it r
- On the management host, server1, issue the following command from the system shell to start the management node process: - On the management host, server1, issue the following command from the system shell to start the management node process:
[root@server1 ~]# ndb_mgmd -f /var/lib/mysql-cluster/config.ini [root@server1 ~]# ndb_mgmd -f /var/lib/mysql-cluster/config.ini
- On each of the data node hosts, run this command to start the ndbd process: - On each of the data node hosts, run this command to start the ndbd process:
[root@server1 ~]# ndbd —-initial -—initial-start [root@server1 ~]# ndbd —-initial -—initial-start
[root@server2 ~]# ndbd —-initial -—initial-start [root@server2 ~]# ndbd —-initial -—initial-start
- On each SQL node start the MySQL server process: - On each SQL node start the MySQL server process:
[root@server1 ~]# /etc/init.d/mysql start [root@server1 ~]# /etc/init.d/mysql start
[root@server2 ~]# /etc/init.d/mysql start [root@server2 ~]# /etc/init.d/mysql start
## Check the cluster status ## Check the cluster status
@ -146,21 +127,21 @@ Cluster Configuration
--------------------- ---------------------
[ndbd(NDB)] 2 node(s) [ndbd(NDB)] 2 node(s)
id=24 @178.62.38.199 (mysql-5.5.38 ndb-7.2.17, Nodegroup: 0, *) id=24 @178.62.38.199 (mysql-5.5.38 ndb-7.2.17, Nodegroup: 0, *)
id=25 @162.243.90.81 (mysql-5.5.38 ndb-7.2.17, Nodegroup: 0) id=25 @162.243.90.81 (mysql-5.5.38 ndb-7.2.17, Nodegroup: 0)
[ndb_mgmd(MGM)] 1 node(s) [ndb_mgmd(MGM)] 1 node(s)
id=21 @178.62.38.199 (mysql-5.5.38 ndb-7.2.17) id=21 @178.62.38.199 (mysql-5.5.38 ndb-7.2.17)
[mysqld(API)] 2 node(s) [mysqld(API)] 2 node(s)
id=22 @178.62.38.199 (mysql-5.5.38 ndb-7.2.17) id=22 @178.62.38.199 (mysql-5.5.38 ndb-7.2.17)
id=23 @162.243.90.81 (mysql-5.5.38 ndb-7.2.17) id=23 @162.243.90.81 (mysql-5.5.38 ndb-7.2.17)
ndb_mgm> ndb_mgm>
@ -172,135 +153,99 @@ The SQL node is referenced here as [mysqld(API)], which reflects the fact that t
[root@server1 ~]# mysql [root@server1 ~]# mysql
mysql> CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=NDBCLUSTER; mysql> CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=NDBCLUSTER;
Query OK, 0 rows affected (3.28 sec) Query OK, 0 rows affected (3.28 sec)
mysql> show create table t1; mysql> show create table t1;
+-------+-------------------------------------------------------------------------------------------+ +------- +-------------------------------------------------------------------------------------------+
| Table | Create Table |
| Table | Create Table | +-------+-------------------------------------------------------------------------------------------+
+-------+-------------------------------------------------------------------------------------------+
| t1 | CREATE TABLE `t1` (
| t1 | CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL `a` int(11) DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1 | ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 |
+-------+-------------------------------------------------------------------------------------------+ +-------+-------------------------------------------------------------------------------------------+
1 row in set (0.01 sec) 1 row in set (0.01 sec)
- Just add a row in the table: - Just add a row in the table:
mysql> insert into test.t1 values(11); mysql> insert into test.t1 values(11);
Query OK, 1 row affected (0.15 sec) Query OK, 1 row affected (0.15 sec)
- Select the current number of rows: - Select the current number of rows:
mysql> select count(1) from t1; mysql> select count(1) from t1;
+----------+ +----------+
| count(1) |
+----------+
| 1 |
+----------+
| count(1) | 1 row in set (0.07 sec)
+----------+
| 1 |
+----------+
1 row in set (0.07 sec)
- The same from the MySQL client pointing to SQL node on server2 - The same from the MySQL client pointing to SQL node on server2
[root@server2 ~]# mysql [root@server2 ~]# mysql
mysql> select count(1) from test.t1; mysql> select count(1) from test.t1;
+----------+ +----------+
| count(1) |
+----------+
| 1 |
+----------+
| count(1) | 1 row in set (0.08 sec)
+----------+
| 1 |
+----------+
1 row in set (0.08 sec)
## Configuring MaxScale for connection load balancing of SQL nodes ## Configuring MaxScale for connection load balancing of SQL nodes
Add these sections in MaxScale.cnf config file: Add these sections in MaxScale.cnf config file:
[Cluster Service] [Cluster Service]
type=service
router=readconnroute
router_options=ndb
servers=server1,server2
user=test
passwd=test
version_string=5.5.37-CLUSTER
type=service [Cluster Listener]
type=listener
service=Cluster Service
protocol=MySQLClient
port=4906
router=readconnroute [NDB Cluster Monitor]
type=monitor
module=ndbclustermon
servers=server1,server2
user=monitor
passwd=monitor
monitor_interval=8000
router_options=ndb [server1]
servers=server1,server2 #SQL node1
type=server
address=127.0.0.1
port=3306
protocol=MySQLBackend
user=test [server2]
#SQL node2
passwd=test type=server
address=162.243.90.81
version_string=5.5.37-CLUSTER port=3306
protocol=MySQLBackend
[Cluster Listener]
type=listener
service=Cluster Service
protocol=MySQLClient
port=4906
[NDB Cluster Monitor]
type=monitor
module=ndbclustermon
servers=server1,server2
user=monitor
passwd=monitor
monitor_interval=8000
[server1]
## SQL node1
type=server
address=127.0.0.1
port=3306
protocol=MySQLBackend
[server2]
##SQL node2
type=server
address=162.243.90.81
port=3306
protocol=MySQLBackend
Assuming MaxScale is installed in server1, start it Assuming MaxScale is installed in server1, start it
@ -315,11 +260,8 @@ MaxScale> show monitors
Monitor: 0x387b880 Monitor: 0x387b880
Name: NDB Cluster Monitor Name: NDB Cluster Monitor
Monitor running Monitor running
Sampling interval: 8000 milliseconds Sampling interval: 8000 milliseconds
Monitored servers: 127.0.0.1:3306, 162.243.90.81:3306 Monitored servers: 127.0.0.1:3306, 162.243.90.81:3306
MaxScale> show servers MaxScale> show servers
@ -327,49 +269,29 @@ MaxScale> show servers
Server 0x3873b40 (server1) Server 0x3873b40 (server1)
Server: 127.0.0.1 Server: 127.0.0.1
Status: NDB, Running Status: NDB, Running
Protocol: MySQLBackend Protocol: MySQLBackend
Port: 3306 Port: 3306
Server Version: 5.5.38-ndb-7.2.17-cluster-gpl Server Version: 5.5.38-ndb-7.2.17-cluster-gpl
Node Id: 22 Node Id: 22
Master Id: -1 Master Id: -1
Repl Depth: 0 Repl Depth: 0
Number of connections: 0 Number of connections: 0
Current no. of conns: 0 Current no. of conns: 0
Current no. of operations: 0 Current no. of operations: 0
Server 0x3873a40 (server2) Server 0x3873a40 (server2)
Server: 162.243.90.81 Server: 162.243.90.81
Status: NDB, Running Status: NDB, Running
Protocol: MySQLBackend Protocol: MySQLBackend
Port: 3306 Port: 3306
Server Version: 5.5.38-ndb-7.2.17-cluster-gpl
Server Version: 5.5.38-ndb-7.2.17-cluster-gpl
Node Id: 23 Node Id: 23
Master Id: -1 Master Id: -1
Repl Depth: 0 Repl Depth: 0
Number of connections: 0 Number of connections: 0
Current no. of conns: 0 Current no. of conns: 0
Current no. of operations: 0 Current no. of operations: 0
It’s now possible to run basic tests with the read connection load balancing for the two configured SQL nodes It’s now possible to run basic tests with the read connection load balancing for the two configured SQL nodes
@ -378,27 +300,19 @@ It’s now possible to run basic tests with the read connection load balancing
[root@server1 ~]# mysql -h 127.0.0.1 -P 4906 -u test -ptest -e "SHOW STATUS LIKE 'Ndb_cluster_node_id'" [root@server1 ~]# mysql -h 127.0.0.1 -P 4906 -u test -ptest -e "SHOW STATUS LIKE 'Ndb_cluster_node_id'"
+---------------------+-------+ +---------------------+-------+
| Variable_name | Value |
| Variable_name | Value | +---------------------+-------+
| Ndb_cluster_node_id | 23 |
+---------------------+-------+ +---------------------+-------+
| Ndb_cluster_node_id | 23 |
+---------------------+-------+
[root@server1 ~]# mysql -h 127.0.0.1 -P 4906 -u test -ptest -e "SHOW STATUS LIKE 'Ndb_cluster_node_id'" [root@server1 ~]# mysql -h 127.0.0.1 -P 4906 -u test -ptest -e "SHOW STATUS LIKE 'Ndb_cluster_node_id'"
+---------------------+-------+ +---------------------+-------+
| Variable_name | Value |
| Variable_name | Value | +---------------------+-------+
| Ndb_cluster_node_id | 22 |
+---------------------+-------+ +---------------------+-------+
| Ndb_cluster_node_id | 22 |
+---------------------+-------+
The MaxScale connection load balancing is working. The MaxScale connection load balancing is working.
@ -406,15 +320,11 @@ The MaxScale connection load balancing is working.
[root@server1 ~] mysql -h 127.0.0.1 -P 4906 -utest -ptest -e "SELECT COUNT(1) FROM test.t1" [root@server1 ~] mysql -h 127.0.0.1 -P 4906 -utest -ptest -e "SELECT COUNT(1) FROM test.t1"
+----------+ +----------+
| COUNT(1) |
| COUNT(1) | +----------+
| 1 |
+----------+ +----------+
| 1 |
+----------+
(3) test an insert statement (3) test an insert statement
@ -424,13 +334,9 @@ mysql -h 127.0.0.1 -P 4906 -utest -ptest -e "INSERT INTO test.t1 VALUES (19)"
[root@server1 ~] mysql -h 127.0.0.1 -P 4906 -utest -ptest -e "SELECT COUNT(1) FROM test.t1" [root@server1 ~] mysql -h 127.0.0.1 -P 4906 -utest -ptest -e "SELECT COUNT(1) FROM test.t1"
+----------+ +----------+
| COUNT(1) |
| COUNT(1) | +----------+
| 2 |
+----------+ +----------+
| 2 |
+----------+