作者:侯晓阳
爱可生 DBA 团队成员,主要负责 MySQL 故障处理和 SQL 审核优化。对技术执着,为客户负责。
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问题背景
MySQL 从库报错如下:

错误信息如下:
...
Last_Errno:1317
Last_Error:Last_Error: Coordinator stopped because there were error(s) in the worker(s). The most recent failure being: Worker 1 failed executing transaction 'a838ba08-c009-11e9-85e1-fa163ea2992d:31622919405' at master log master-bin.005599, end_log_pos 2297. See error log and/or performance_schema.replication_applier_status_by_worker table for more details about this failure or others, if any.
...
Last_SQL_Errno:1317
Last_SQL_Error:Last_Error: Coordinator stopped because there were error(s) in the worker(s). The most recent failure being: Worker 1 failed executin
MySQL从库异常排查

本文介绍了一次MySQL从库出现错误的排查过程,错误原因是由于xtrabackup备份过程中设置的查询超时参数导致从库上的查询被中断。
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