Tidy Tutorials

This commit is contained in:
counterpoint
2015-02-03 17:40:17 +00:00
parent 3b42f2e0ba
commit 258b6e2d04
4 changed files with 274 additions and 480 deletions

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@ -93,7 +93,7 @@ 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:
[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:
@ -249,24 +249,24 @@ Add these sections in MaxScale.cnf config file:
Assuming MaxScale is installed in server1, start it
[root@server1 ~]# cd /usr/local/skysql/maxscale/bin
[root@server1 ~]# cd /usr/local/skysql/maxscale/bin
[root@server1 bin]# ./maxscale -c ../
[root@server1 bin]# ./maxscale -c ../
Using the debug interface it’s possible to check the status of monitored servers
MaxScale> show monitors
MaxScale> show monitors
Monitor: 0x387b880
Monitor: 0x387b880
Name: NDB Cluster Monitor
Monitor running
Sampling interval: 8000 milliseconds
Monitored servers: 127.0.0.1:3306, 162.243.90.81:3306
MaxScale> show servers
MaxScale> show servers
Server 0x3873b40 (server1)
Server 0x3873b40 (server1)
Server: 127.0.0.1
Status: NDB, Running
@ -280,7 +280,7 @@ Server 0x3873b40 (server1)
Current no. of conns: 0
Current no. of operations: 0
Server 0x3873a40 (server2)
Server 0x3873a40 (server2)
Server: 162.243.90.81
Status: NDB, Running
@ -298,7 +298,7 @@ It’s now possible to run basic tests with the read connection load balancing
(1) test MaxScale load balancing requesting the Ndb_cluster_node_id variable:
[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 |
@ -306,7 +306,7 @@ It’s now possible to run basic tests with the read connection load balancing
| 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 |
@ -318,7 +318,7 @@ The MaxScale connection load balancing is working.
(2) test a select statement on an NBDBCLUSTER table, database test and table t1 created before:
[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) |
@ -332,7 +332,7 @@ mysql -h 127.0.0.1 -P 4906 -utest -ptest -e "INSERT INTO test.t1 VALUES (19)"
(4) test again the select and check the number of rows
[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) |