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...
SQL_Delay:0SQL_Remaining_Delay:NULLSlave_SQL_Running_State: Applying batchofrow changes (write) Master_Retry_Count:86400Master_Bind: Last_IO_Error_Timestamp: Last_SQL_Error_Timestamp: 开启从库并行复制参数后,主从延迟明显降低,show processlist可以看到4个协同线程在批量的写入Applying batch of row cha...
| 62 | system user | | mc | Query | 507 | Applying batch of row changes (write) | NULL | | 63 | system user | | mc | Query | 517 | Applying batch of row changes (write) | NULL | | 64 | system user | | mc | Query | 508 | Applying batch of row changes (write) | N...
mysql从库延迟太大, SQL线程和IO线程都是Running的, 但延迟有5天左右. SQL线程状态为:applying batch of row changes (delete) 解析相关relay log得到正在执行的事务信息 代码语言:javascript 代码运行次数:0 运行 AI代码解释 mysqlbinlog-vvv--base64-output=decode-row relay.xxxxx--start-position|more 查找该...
TRANSACTION13054,ACTIVE0secstartingindexreadmysqltablesinuse1,locked1LOCKWAITMySQLthreadid16,OSthreadhandle140344638252800,queryid24180Applyingbatchofrowchanges(update)TRANSACTION13053,ACTIVE0secmysqltablesinuse1,locked1,undologentries2MySQLthreadid3092,OSthreadhandle140344301782784,query id 24178 localhost root ws...
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 (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...
To track progress of all three row-based replication event types (write, update, delete): Enable the three Performance Schema stages by issuing: mysql>UPDATEperformance_schema.setup_instrumentsSETENABLED='YES'->WHERENAMELIKE'stage/sql/Applying batch of row changes%'; ...
Get the cursor to Advanced Options -> choose Use the first row as column names if your Excel file has column headers. Type in Start Import to start the import. The import process will take sometime to complete depending on the size of the Excel file and the amount of imported data. ...
Writes the DDL changes to the schema change topic, including all necessary DROP… and CREATE… DDL statements.This happens if applicable. Scans the database tables and generates CREATE events on the relevant table-specific Kafka topics for each row. Commits the transaction. Records the completed ...