MySQL-5.5之主从复制 + 半同步
Master> INSTALL PLUGIN rpl_semi_sync_master SONAME 'semisync_master.so';# 安装插件Query OK, 0 rows affected (0.13 sec)
Master> SET GLOBAL rpl_semi_sync_master_enabled = 1; # 启用插件
Query OK, 0 rows affected (0.00 sec)
Master> show status like 'Rpl_semi_sync_master_status';
+-----------------------------+-------+
| Variable_name | Value |
+-----------------------------+-------+
| Rpl_semi_sync_master_status | ON |
+-----------------------------+-------+
1 row in set (0.00 sec)
Master> show variables like 'rpl%';
+------------------------------------+-------+
| Variable_name | Value |
+------------------------------------+-------+
| rpl_recovery_rank | 0 |
| rpl_semi_sync_master_enabled | ON |
| rpl_semi_sync_master_timeout | 10000 | show status like 'rpl%';
+--------------------------------------------+-------------+
| Variable_name | Value |
+--------------------------------------------+-------------+
| Rpl_semi_sync_master_clients | 0 |
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