//刪除日誌之前,先檢查主從伺服器當前使用的記錄檔,
| 代碼如下 |
複製代碼 |
//首先登入 要刪除日誌的伺服器的 mysql 終端 #mysql -u root -pxxxxx //檢查複製主伺服器狀態 Mysql>show master status
+------------------+-----------+--------------+----------------------------------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | +------------------+-----------+--------------+----------------------------------------+ | mysql-bin.000097 | 541677824 | www | test,mysql,information_schema | +------------------+-----------+-------------+----------------------------------------+
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//複製主伺服器當前正在使用的記錄檔是:mysql-bin.000097
| 代碼如下 |
複製代碼 |
//檢查複製從伺服器狀態 Mysql>show slave statusG *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 202.102.152.3 Master_User: replication Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000103 Read_Master_Log_Pos: 675107897 Relay_Log_File: www-relay-bin.000443 Relay_Log_Pos: 675097929 Relay_Master_Log_File: mysql-bin.000103 Slave_IO_Running: Yes Slave_SQL_Running: Yes Replicate_Do_DB: www Replicate_Ignore_DB: test,mysql,information_schema Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 675107897 Relay_Log_Space: 675098125 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 0 Last_SQL_Error:
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//複製從伺服器當前正在使用的複製主伺服器記錄檔是:mysql-bin.000103
//當前正在使用的記錄檔是000097,我需要做的是刪除00095號之前的所有日誌(預留出最近幾天的日誌)
| 代碼如下 |
複製代碼 |
Mysql>purge master logs to ‘mysql-bin.000095; #ll /usr/local/mysql/var/
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//從結果中發現,編號000097之前的所有日誌都已經刪除
//如果還有其他伺服器需要清理日誌,重新按上面的順序進行就可以