近期,发现一个MySQL从节点提示同步异常。执行show replica status都被挂起。 重要信息 1初步分析 1.1 连接情况 当前连接的线程情况 当前连接中,运行的 16 个 worker 线程。其中: 4 个状态为Waiting for preceding transaction to commit 11 个状态为Applying batch of row changes 1 个状态为Executing event 线程等...
node1的日志信息99行,如下: TRANSACTION13054,ACTIVE0secstartingindexreadmysqltablesinuse1,locked1LOCKWAITMySQLthreadid16,OSthreadhandle140344638252800,queryid24180Applyingbatchofrowchanges(update)TRANSACTION13053,ACTIVE0secmysqltablesinuse1,locked1,undologentries2MySQLthreadid3092,OSthreadhandle140344301782784,query...
node1的日志信息99行,如下: 代码语言:shell AI代码解释 TRANSACTION13054, ACTIVE0sec starting indexreadmysql tablesinuse1, locked1LOCK WAIT MySQL threadid16, OS thread handle140344638252800, queryid24180Applying batch of row changes(update)TRANSACTION13053, ACTIVE0sec mysql tablesinuse1, locked1, undo...
Written By Posted [REPLICATION] : replica hangs on Applying batch of row changes (update) 1194 christophe offroy September 06, 2023 02:59AM Re: [REPLICATION] : replica hangs on Applying batch of row changes (update) 534 kaiqiang wu
Applying batch of row changes (update) | replace into test.testpri2(a,b,c) values(144,144,144) | | 116 | system user | | NULL | Query | 2356 | Waiting for preceding transaction to commit | NULL | | 117 | system user | | NULL | Query | 2356 | Waiting for preceding ...
Applying batch of row changes (write)|YES|YES||stage/sql/Applying batch of row changes (update)|YES|YES||stage/sql/Applying batch of row changes (delete)|YES|YES||stage/innodb/alter table (end)|YES|YES||stage/innodb/alter table (flush)|YES|YES||stage/innodb/alter table (insert)|YES...
mysql>UPDATEperformance_schema.setup_instrumentsSETENABLED='YES'->WHERENAMELIKE'stage/sql/Applying batch of row changes%'; Wait for some events to be processed by the replication applier thread and then check progress by looking into theevents_stages_currenttable. For example to get progress foru...
很大一部分原因是在最开始的时候,MySQL的binlog没有row模式,在read commit隔离级别下会存在「主从数据不一致」的问题 候选者:binlog记录了数据库表结构和表数据「变更」,比如update/delete/insert/truncate/create。在MySQL中,主从同步实际上就是应用了binlog来实现的(: 候选者:有了该历史原因,所以MySQL就将默认的...
[REPLICATION] : replica hangs on Applying batch of row changes (update) 1,249 christophe offroy 09/06/2023 02:59AM Re: [REPLICATION] : replica hangs on Applying batch of row changes (update) 558 kaiqiang wu 11/20/2023 05:43AM
mysql-batch Updating or deleting a large amount of rows in MySQL will create locks that will paralyze other queries running in parallel. This tool will run UPDATE and DELETE queries in small batches to prevent table-level and row-level locking (with InnoDB). If a large number of rows has ...