[MDEV-30473] Do not allow GET_LOCK() / RELEASE_LOCK() in cluster Created: 2023-01-26  Updated: 2023-08-17  Resolved: 2023-06-05

Status: Closed
Project: MariaDB Server
Component/s: Galera
Affects Version/s: 10.4
Fix Version/s: 10.11.3, 10.4.29, 10.5.20, 10.6.13, 10.8.8, 10.9.6, 10.10.4

Type: Bug Priority: Critical
Reporter: Jan Lindström (Inactive) Assignee: Julius Goryavsky
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Blocks
blocks MXS-4678 Maxscale 3-node cluster with KafkaCDC... Closed
Problem/Incident
causes MDEV-30967 sst mariabackup broken on rocksdb - c... Closed
causes MDEV-31325 Can not run db patches using flyway w... Closed
causes MDEV-31388 Error in PROCEDURE in v.10.6.13 with ... Closed

 Description   

GET_LOCK() / RELEASE_LOCK() calls should be rejected with proper error message.

 Comments   
Comment by Jan Lindström (Inactive) [ 2023-01-27 ]

In 10.5 also RELEASE_ALL_LOCKS should be avoided.

Comment by Jan Lindström [ 2023-04-17 ]

https://github.com/MariaDB/server/pull/2554

Comment by Sergei Golubchik [ 2023-06-05 ]

note, this was reverted in MDEV-31325

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