本文总结了主从复制的原理及日常运维的坑

前言

本文总结了主从复制的原理及日常运维的坑

📣 1.主从复制简介

📣 2.主从复制原理

又成长了,异常掉电踩到了MySQL主从同步的坑!-LMLPHP

📣 3.机房掉电主从故障

✨ 3.1 故障现象

又成长了,异常掉电踩到了MySQL主从同步的坑!-LMLPHP

发现从库的GTID比主库的GTID要大

--主库的GTID
mysql> show master status\G
*************************** 1. row ***************************
             File: MMK-JEM-Master1-ip31-bin.000002
         Position: 195
     Binlog_Do_DB: 
 Binlog_Ignore_DB: 
Executed_Gtid_Set: c5833cbf-fa39-11ee-ae67-0242c0a8441f:1-5
1 row in set (0.00 sec)

--从库执行的GTID
     Last_SQL_Error_Timestamp: 
               Master_SSL_Crl: 
           Master_SSL_Crlpath: 
           Retrieved_Gtid_Set: 
            Executed_Gtid_Set: 46081bff-fa3a-11ee-9d8b-0242c0a84420:1-7,
c5833cbf-fa39-11ee-ae67-0242c0a8441f:1-2:6
                Auto_Position: 1

✨ 3.2 故障处理

又成长了,异常掉电踩到了MySQL主从同步的坑!-LMLPHP

又成长了,异常掉电踩到了MySQL主从同步的坑!-LMLPHP

又成长了,异常掉电踩到了MySQL主从同步的坑!-LMLPHP

📣 4.知识点

又成长了,异常掉电踩到了MySQL主从同步的坑!-LMLPHP

📣 5.故障总结

04-20 20:02