Semi-sync master failed on net_flush() before wait
BUG描述：php
Semi-sync master failed on net_flush() before waiting for slave reply
MariaDB 10.0.25 Centos6.6mysql
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。当时的现象就是主库没法写入，从库IO Thread线程挂起，与主库失连。sql
错误日志截图网络
当时的报警信息截图ide
监控图spa
后当即关闭半同步复制，主库恢复正常。
线程
提交的BUG地址日志
https://jira.mariadb.org/browse/MDEV-16706 orm
官方回复在最新版MariaDB 10.0.36里修复。blog
同理，MySQL5.7也存在该BUG
https://bugs.mysql.com/bug.php?id=79865
遇到的朋友，请注意！
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