Bug #114624 Deadlock on primary replica when adding instance to replica cluster with writes

Submitted:	11 Apr 2024 13:37	Modified:	14 Oct 2024 13:16
Reporter:	Paulo Machado	Email Updates:
Status:	Verified	Impact on me:	None
Category:	MySQL Server: Group Replication	Severity:	S2 (Serious)
Version:	8.0.39	OS:	Ubuntu (22.04)
Assigned to:		CPU Architecture:	x86

File:	Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file:

On *nix platforms use the split command e.g. split -b 50MB <my_large_archive> <my_split_archive_prefix>
On windows use WinZip or a similar utility to split the large file

mysqlsh log where add instance is executed

Attachment: mysqlsh.log (text/x-log), 185.41 KiB.

GDB stack trace from primary instance of replica cluster

Attachment: gdb_stack_trace.txt (text/plain), 90.56 KiB.

Thread on primary instance of replica cluster

Attachment: performance_schema.threads.txt (text/plain), 52.10 KiB.

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