Bug #48425 concurrency update with select...union may crash the server
Submitted: 30 Oct 2009 5:08 Modified: 31 Jan 2010 9:50
Reporter: Xindong Su Email Updates:
Status: No Feedback Impact on me:
None 
Category:MySQL Server Severity:S1 (Critical)
Version:5.0.85,5.0.87 OS:Linux (CentOS 5.2 x86_64)
Assigned to: CPU Architecture:Any
Tags: update select union crash

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:

[30 Oct 2009 6:36] Xindong Su
table dump

Attachment: dd.zip (application/zip, text), 70.81 KiB.

[2 Nov 2009 7:29] Xindong Su
last 2 seconds of the general log when mysqld crashed.

Attachment: last_2_seconds_general_log.zip (application/zip, text), 2.14 KiB.