#查找锁 mysql> show OPEN TABLES where In_use > 0; #查询是否锁表 mysql> show processlist #查询表被锁进程 mysql> show engine innodb status; #查询innodb引擎的运行时信息 mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_TRX; #查看正在执行的事务 mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCKS; #查看正在锁的事物 mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCK_WAITS; #查看等待锁的事物 #解锁 mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_TRX; #查询 trx_mysql_thread_id然后执行 kill 线程ID mysql> kill id #删除进程