LOCK WAIT 2 lock struct(s), heap size 1136, 2 row lock(s) MySQL thread id 14, OS thread handle 17448, query id 296 localhost ::1 root update INSERT INTO child (id) VALUES (101) --- TRX HAS BEEN WAITING 3 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 114 page no 4...
mysql> UPDATE tbname SET column_name = 2 WHERE col_id= '25945fa285904ea59cd92a73a3850ceb' AND aYear = 2018 AND aMonth = 5; ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction 出现此情况,第一反应是查看是否有未提交的事务或有其他的SQL运行时也需要对该条记录进行写...
FOR SHARE和LOCK IN SHARE MODE是等价的。但是,FOR SHARE与FOR UPDATE一样,支持NOWAIT、SKIP LOCKED和OF tbl_name选项。FOR SHARE是LOCK IN SHARE MODE的替代品,但是LOCK IN SHARE MODE仍然可以向后兼容。 MySQL启动失败:innodb默认行格式=动态 您只是在配置设置中错误地使用了dynanmic一词。InnoDB表的默认行格式...
trx_state: LOCK WAIT trx_started: 2016-11-25 17:45:27 trx_requested_lock_id: 112075121:442:4:149 trx_wait_started: 2016-11-25 17:45:27 trx_weight: 2 trx_mysql_thread_id: 454 trx_query: update ClientActionTrack20151125 set ip='9.9.9.9' trx_operation_state: starting index read trx...
今天巡检时突然发现有很多锁等待超时的情况,原以为是一个简单的小事,一查,结果令人深思。 1. 问题现象 发现日志中出现了大量的 ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction 错误 2. 排查过程
trx_requested_lock_id: NULL trxwait_started: NULL trx_weight 6115055 trx_mysql_threadid: 447 my $host = qq{SELECT NOW(),UNIX_TIMESTAMP(NOW()) - _TIMESTAMP(a.trx_started)) diff_sec, b.id, b.user, b.host, b.db FROM information....
SELECTblocking_trx_id,blocked_trx_id,blocking_trx_wait_secs,blocked_trx_wait_secsFROMinformation_schema.innodb_lock_waits; 1. 2. 3. 4. 5. 6. 7. 此查询会返回当前被阻塞的事务ID、阻塞事务ID,以及分别等待的时间。 处理阻塞事务 1. 优化查询 ...
发现日志中出现了大量的ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction错误 2. 排查过程 发现此类情况后,挑了其中一个SQL脚本手动运行了一下,发现同样报此错误 1. mysql> UPDATE tbname SET column_name = 2 WHERE col_id= '25945fa285904ea59cd92a73a3850ceb' AND aYear =...
trx_requested_lock_id: NULL trx_wait_started: NULL trx_weight: 6115055 trx_mysql_thread_id: 447 my $hostSql =qq{SELECT NOW(), (UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(a.trx_started)) diff_sec, b.id, b.user, b.host, b.db ...
trx_requested_lock_id: NULL trx_wait_started: NULL trx_weight: 6115055 trx_mysql_thread_id: 447 my $hostSql = qq{SELECT NOW(), (UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(a.trx_started)) diff_sec, b.id, b.user, b.host,