root@localhost > show slave status\G*************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 10.38.153.53 Master_User: mysqlsync Master_Port: 3306 Connect_Retry: 60 Master_Log_File:…

mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is Server version: 5.7.-log MySQL Community Server (GPL) Copyright (c) , , Oracle and/o…

备库报错: Last_SQL_Errno: 1594 Last_SQL_Error: Relay log read failure: Could not parse relay log event entry. The possible reasons are: the master's binary log is corrupted (you can check this by running 'mysqlbinlog' on the binary log), the slave's rela…

  Preface       I've stuck twice in my previous experiments in backing up dropped tables.I am still not sure that why I got failure yesterday.Therefore,I decide to do that again with the same steps on another environment.Let's see the details.   Proc…

  Preface       In my previous blogs,I've demonstrated several mothods of how to rescue a dropped table(or truncated table as well).     full mysqldump backup + binlog on master(master was normally running)     full Xtrabackup backup + binlog on mast…

salve复制线程停止,尝试start slave 时报ERROR 1872错误mysql> system perror 1872 MySQL error code 1872 (ER_SLAVE_RLI_INIT_REPOSITORY): Slave failed to initialize relay log info structure from the repository解决过程1.看样子是找不到中继日志的仓库,但是查看变量relay log的位置是设置了的mysql> show va…

前言:MySQL进行主主复制或主从复制的时候会在配置文件制定的目录下面产生相应的relay log,本文档总结这些相关参数的定义及解释. 1.什么是relay log The relay log, like the binary log, consists of a set of numbered files containing events that describe database changes, and an index file that contains the names of…

现象 查看slave 服务状态 show slave status\G; 错误 Last_Errno: 1872 Last_Error: Slave failed to initialize relay log info structure from the repository 原因 由于my.cnf 配置中,relay_log 文件名发生了变化. 解决 stop slave; reset slave; start slave; show slave status; #查看最新状态, 发现已经…

17.2.2.1 The Slave Relay Log Slave中继日志 中继日志, 像binary log,有一组文件组成包含events 描述数据库的修改,和一个index文件包含所有使用过的relay log文件的名字 术语"relay log file"通常表示一个但都数字文件包含数据库events. Relay log 文件有相同的格式和binary log 文件可以使用mysqlbinlog读取 默认情况下,relay log 文件名格式为host_name-relay…

今天查看mysql err日志.发现mysql重新启动时总会有例如以下日志出现: [Warning] Neither --relay-log nor --relay-log-index were used; so replication may break when this MySQL server acts as a slave and has his hostname changed!! Please use '--relay-log=liytest-relay-bin' to avoid…