Bug #97800 lost binlog when sync-binlog=1 in single primary group replication

• Submitted: 26 Nov 2019 14:21
• Modified: 10 Jan 13:06
• Reporter: 仁刚 谭
• Status: No Feedback
• Category: MySQL Server: Group Replication
• Severity: S1 (Critical)
• Version: MySQL 8.0.18
• OS: Red Hat (7.4)
• Assigned to: Bogdan Kecman
• CPU Architecture: x86
• Tags: binlog, group replication

[26 Nov 2019 14:21] 仁刚 谭

Description:
in single primary group replication innodb cluster
the primary node blackout then lost binlog when sync-binlog=1 when secondary node have these binlog

How to repeat:
1,create a single primary group replication, include MGR , MySQL router， MySQL shell
2，write data to a table through app with mulit threads
3,blackout then primary node
4,start the primary node and not mysql
5,compare then binlog between primary and secondary through mysqlbinlog

[10 Dec 2019 13:06] Bogdan Kecman

Hi,

Can you explain what you mean by

3,blackout then primary node
4,start the primary node and not mysql

[11 Jan 1:00] Bugs System

No feedback was provided for this bug for over a month, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".