[MDEV-625] LP:605767 - DDL + insert delayed + kill causes infinite hang and 100% cpu waiting for tables Created: 2010-07-15  Updated: 2013-03-27  Resolved: 2013-03-27

Status: Closed
Project: MariaDB Server
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Bug
Reporter: Casey Forbes (Inactive) Assignee: Unassigned
Resolution: Fixed Votes: 0
Labels: Launchpad, upstream

Attachments: XML File LPexportBug605767.xml    

 Description   

This a hanging MySQL bug reported against 5.0.70, 5.1.30 and 5.5.0 that I just ran into with MariaDB 5.1.39.

A long running DDL plus a kill plus making heavy use of insert delayed for ad serving resulted in a hang and a processlist just like the one shown in the MySQL bug report: http://bugs.mysql.com/bug.php?id=41114

I'm not sure if it is still present in the current MariaDB but there is a test case attached to the bug:
http://bugs.mysql.com/file.php?id=10757



 Comments   
Comment by Rasmus Johansson (Inactive) [ 2012-03-22 ]

Launchpad bug id: 605767

Comment by Elena Stepanova [ 2013-03-27 ]

According to comments in the upstream bug, the problem was reproducible on 5.5.0, but not on 5.5.10 (most likely got fixed along with MDL changes which were pushed around 5.5.3).

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