Bug #88578 Semi-sync master failed on net_flush() before waiting for slave reply
Submitted: 21 Nov 2017 8:10 Modified: 21 Nov 2017 8:12
Reporter: 镇熙 林 Email Updates:
Status: Can't repeat Impact on me:
None 
Category:MySQL Server Severity:S1 (Critical)
Version:5.7.16 OS:SUSE
Assigned to: CPU Architecture:Any

[21 Nov 2017 8:10] 镇熙 林 
Description:
see 'Semi-sync master failed on net_flush() before waiting for slave reply' in error log (mysql.err).

How to repeat:
.

Suggested fix:
.
[21 Nov 2017 8:11] 镇熙 林 
error log

Attachment: mysql.err (application/octet-stream, text), 8.54 KiB.
[21 Nov 2017 8:12] MySQL Verification Team 
Not enough information was provided for us to be able to handle this bug. Please re-read the instructions at http://bugs.mysql.com/how-to-report.php

If you can provide more information, feel free to add it to this bug and change the status back to 'Open'.

Thank you for your interest in MySQL.
[17 May 2018 3:59] Prasad N 
i am seeing this with mysql 5.7.21
please see bug: 90857.

Could some one investigate please ?
[1 Apr 2019 7:15] WANG GUANGYOU 
hit same bug
[31 Aug 2019 14:30] Morgan Tocker 
I hit this issue as well: but I don't believe it is a MySQL bug. After some debugging, we discovered the network was flaky.