mysql 死锁

 Enter MySQL

mysql -u your_user -p

2) Let's see the list of locked tables

mysql> show open tables where in_use>0;

3) Let's see the list of the current processes, one of them is locking your table(s)

mysql> show processlist;

4) Kill one of these processes

mysql>kill put_process_id_here;

select concat('KILL ',id,';') from information_schema.processlist where user='root';
+------------------------+
| concat('KILL ',id,';') 
+------------------------+
| KILL 3101;             
| KILL 2946;