Semi-sync master failed on net_flush() before waitBUG描述：Semi-sync master failed on net_flush() before waiting for slave replyMariaDB 10.0.25 Centos6.6这是7月7下午4点因网络抖动，发生的半同步复制hang住的一个BUG。

MySQL UDF 在 in ( subquery where ) bugSELECT45,COUNT(0)FROMac_dealer_salesdsWHEREds.user_idin(SELECTdu.user_idFROMac_dept_userduWHEREdu.is_main=1ANDfun_get_team_id(du.dept_id)=23)这个sql 期望的返回

MySQL Bug导致异常宕机的分析流程一、数据库重启日志分析terminate called after throwing an instance of 'std::out_of_range' what():vector::_M_range_check04:10:09 UTC - mysqld got signal 6 ;mysqld

mysql partition table use to_days bugto_days分区表 bug
CREATE TABLE `aaaaaaaaaa` ( `id` int(255) NOT NULL AUTO_INCREMENT, `year` int(4) NOT NULL, `month` int(2) NOT NULL, `day` int(2) NOT NULL, `st

【MYSQL】mysql5.7-bug -information_schema的表被查询可能导致内存泄漏[11 May 2017 6:57] Cho-Shing Ma
Description:
Running a query (on Information _Schema.tables (where clause) to exclude system schema, showing memory growing eve

怎么解决MySQL xtrabackup 2.4.12备份触发的bug一、背景与现象：去生产库导一个流量比较大的库准备做从库，结果出现一个报错（xtrabackup版本：2.4.12，mysql版本5.7.23）：二、处理过程1)第一反应，这bug应该大家都出现了，去谷歌一下，结果