mysql查看被锁住的表
show OPEN TABLES where In_use > 0;MySQL:
show processlist;mariabd:
show full processlist;查询到相对应的进程===然后 kill id
kill $pidSELECT * FROM INFORMATION_SCHEMA.INNODB_LOCKS; SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCK_WAITS; show engine innodb status\G;查看造成死锁的sql语句,分析索引情况,然后优化sql语句;
show status like '%lock%';show variables like '%timeout%';