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mysql 死锁
2022-06-30 00:21:00 【tang_sy】
前言：修改、删除where 条件不能仅有非索引非主键，否则容易出现死锁
系统监控到任务失败，查询ELK 报错原因
MYSQL遇到Deadlock found when trying to get lock ，意思是尝试获取锁时发现死锁！
第一时间找DBA查询死锁日志
命令：show engine innodb status；
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