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MySQL 5.5中如何配置安装半同步复制2014-10-28确认master和slave上是否开启have_dynamic_loading

master

MASTER（none） 10:54:58>show variables like "have_dynamic_loading";

+----------------------+-------+

| Variable_name        | Value |

+----------------------+-------+

| have_dynamic_loading | YES   |

+----------------------+-------+

slave

SLAVEtest 10:47:52>show variables like "have_dynamic_loading";

+----------------------+-------+

| Variable_name        | Value |

+----------------------+-------+

| have_dynamic_loading | YES   |

+----------------------+-------+

使用root在master上安装半同步插件

MASTER（none） 10:58:14>

MASTER（none） 10:58:14>install plugin rpl_semi_sync_master soname "semisync_master.so";

Query OK, 0 rows affected （0.01 sec）

MASTER（none） 10:58:22>show plugins;

+--------------------------+--------+--------------------+--------------------+---------+

| Name                     | Status | Type               | Library            | License |

+--------------------------+--------+--------------------+--------------------+---------+

| binlog                   | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| mysql_native_password    | ACTIVE | AUTHENTICATION     | NULL               | GPL     |

| mysql_old_password       | ACTIVE | AUTHENTICATION     | NULL               | GPL     |

| MRG_MYISAM               | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| CSV                      | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| MEMORY                   | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| MyISAM                   | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| InnoDB                   | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| INNODB_TRX               | ACTIVE | INFORMATION SCHEMA | NULL               | GPL     |

| INNODB_LOCKS             | ACTIVE | INFORMATION SCHEMA | NULL               | GPL     |

| INNODB_LOCK_WAITS        | ACTIVE | INFORMATION SCHEMA | NULL               | GPL     |

| INNODB_CMP               | ACTIVE | INFORMATION SCHEMA | NULL               | GPL     |

| INNODB_CMP_RESET         | ACTIVE | INFORMATION SCHEMA | NULL               | GPL     |

| INNODB_CMPMEM            | ACTIVE | INFORMATION SCHEMA | NULL               | GPL     |

| INNODB_CMPMEM_RESET      | ACTIVE | INFORMATION SCHEMA | NULL               | GPL     |

| INNODB_BUFFER_PAGE       | ACTIVE | INFORMATION SCHEMA | NULL               | GPL     |

| INNODB_BUFFER_PAGE_LRU   | ACTIVE | INFORMATION SCHEMA | NULL               | GPL     |

| INNODB_BUFFER_POOL_STATS | ACTIVE | INFORMATION SCHEMA | NULL               | GPL     |

| BLACKHOLE                | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| ARCHIVE                  | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| FEDERATED                | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| PERFORMANCE_SCHEMA       | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| partition                | ACTIVE | STORAGE ENGINE     | NULL               | GPL     |

| rpl_semi_sync_master     | ACTIVE | REPLICATION        | semisync_master.so | GPL     |

+--------------------------+--------+--------------------+--------------------+---------+

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