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

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Mark Riddoch
2015-01-30 16:00:16 +00:00
parent 1c492be02c 85a7084bf2
commit 5c48100108
1 changed files with 145 additions and 239 deletions
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Tutorials/MySQL-Cluster-Setup.md
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@ -47,35 +47,25 @@ 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 NoOfReplicas=2
DataMemory=60M DataMemory=60M
IndexMemory=16M IndexMemory=16M
[ndb_mgmd] [ndb_mgmd]
hostname=178.62.38.199 hostname=178.62.38.199
id=21 id=21
datadir=/var/lib/mysql-cluster datadir=/var/lib/mysql-cluster
[mysqld] [mysqld]
hostname=178.62.38.199 hostname=178.62.38.199
[mysqld] [mysqld]
hostname=162.243.90.81 hostname=162.243.90.81
[ndbd] [ndbd]
hostname=178.62.38.199 hostname=178.62.38.199
[ndbd] [ndbd]
hostname=162.243.90.81 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
@ -83,27 +73,18 @@ Note, it’s possible to specify all node ids and datadir as well for each clust
Example: Example:
[ndbd] [ndbd]
hostname=162.243.90.81 hostname=162.243.90.81
id=43 id=43
datadir=/usr/local/mysql/data 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 ndbcluster
ndb-connectstring=178.62.38.199 ndb-connectstring=178.62.38.199
innodb_buffer_pool_size=16M innodb_buffer_pool_size=16M
[mysql_cluster] [mysql_cluster]
ndb-connectstring=178.62.38.199 ndb-connectstring=178.62.38.199
## Startup of MySQL Cluster ## Startup of MySQL Cluster
@ -179,13 +160,11 @@ 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 |
@ -205,13 +184,9 @@ Query OK, 1 row affected (0.15 sec)
mysql> select count(1) from t1; mysql> select count(1) from t1;
+----------+ +----------+
| count(1) | | count(1) |
+----------+ +----------+
| 1 | | 1 |
+----------+ +----------+
1 row in set (0.07 sec) 1 row in set (0.07 sec)
@ -223,13 +198,9 @@ mysql> select count(1) from t1;
mysql> select count(1) from test.t1; mysql> select count(1) from test.t1;
+----------+ +----------+
| count(1) | | count(1) |
+----------+ +----------+
| 1 | | 1 |
+----------+ +----------+
1 row in set (0.08 sec) 1 row in set (0.08 sec)
@ -239,67 +210,41 @@ mysql> select count(1) from test.t1;
Add these sections in MaxScale.cnf config file: Add these sections in MaxScale.cnf config file:
[Cluster Service] [Cluster Service]
type=service type=service
router=readconnroute router=readconnroute
router_options=ndb router_options=ndb
servers=server1,server2 servers=server1,server2
user=test user=test
passwd=test passwd=test
version_string=5.5.37-CLUSTER version_string=5.5.37-CLUSTER
[Cluster Listener] [Cluster Listener]
type=listener type=listener
service=Cluster Service service=Cluster Service
protocol=MySQLClient protocol=MySQLClient
port=4906 port=4906
[NDB Cluster Monitor] [NDB Cluster Monitor]
type=monitor type=monitor
module=ndbclustermon module=ndbclustermon
servers=server1,server2 servers=server1,server2
user=monitor user=monitor
passwd=monitor passwd=monitor
monitor_interval=8000 monitor_interval=8000
[server1] [server1]
## SQL node1 #SQL node1
type=server type=server
address=127.0.0.1 address=127.0.0.1
port=3306 port=3306
protocol=MySQLBackend protocol=MySQLBackend
[server2] [server2]
#SQL node2
##SQL node2
type=server type=server
address=162.243.90.81 address=162.243.90.81
port=3306 port=3306
protocol=MySQLBackend 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
@ -379,25 +301,17 @@ 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.
@ -407,13 +321,9 @@ 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
@ -425,12 +335,8 @@ 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 |
+----------+ +----------+