Bug #90461 Change group_replication_single_primary_mode online

Submitted:	17 Apr 2018 4:58	Modified:	16 Nov 2018 11:45
Reporter:	Kenny Gryp	Email Updates:
Status:	Closed	Impact on me:	None
Category:	MySQL Server: Group Replication	Severity:	S4 (Feature request)
Version:	8.0.4	OS:	Any
Assigned to:		CPU Architecture:	Any

Description:
I want to change my running production cluster to a multi-writer group replication setup. But when I try to do this online, I get an error

How to repeat:
mysql> set global group_replication_single_primary_mode=off;
ERROR 3093 (HY000): Cannot change into or from single primary mode while Group Replication is running.

Suggested fix:
I want to be able to change group_replication_single_primary_mode online without downtime.

Hello Kenny,

Thank you for the feature request!

Thanks,
Umesh

Implemented in 8.0.13
https://dev.mysql.com/doc/refman/8.0/en/group-replication-configuring-online-group.html

Posted by developer:
 
Thanks for your feedback, as mentioned by Nuno this was implemented in 8.0.13. See docs at:
http://dev.mysql.com/doc/refman/8.0/en/group-replication-configuring-online-group.html

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