-- 查看被锁住的
SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCKS;
-- 等待锁定
SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCK_WAITS;
-- 查看事务
SELECT * FROM INFORMATION_SCHEMA.INNODB_TRX;
-- 杀掉trx_mysq_thread_id
kill 25496;
原文：http://www.cnblogs.com/tonggc1668/p/8011565.html