公司mysql数据库服务器版本混合着用,逐步升级。在对mysql进行mysql_upgrade操作时,导致mysql复制错误了。信息如下:
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[ERROR] Slave SQL: Query caused different errors on master and slave. Error on master: message (format)=‘Column count of mysql.%s is wrong. Expected %d, found %d. The table is probably corrupted’ error code=1547 ; Error on slave: actual message=‘no error’, error code=0. Default database: ‘performance_schema’. Query: ‘DROP DATABASE IF EXISTS performance_schema’, Error_code: 0
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对主库进行mysql_upgrade操作时,会对performance_schema库进行操作。
只好跳过,这些操作。
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mysql> stop slave;
mysql> set gloabl sql_slave_skip_counter = 1;
mysql> start slave;
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升级需谨慎,小心操作。