Bug #59950 Identical query taking longer on 5.5.8 compared to 5.1
Submitted: 4 Feb 2011 16:23 Modified: 7 Apr 2012 0:14
Reporter: Pavel Baranov Email Updates:
Status: No Feedback Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:5.5.8 OS:Linux (centos 5.5 64bit)
Assigned to: CPU Architecture:Any
Tags: Optimizer, regression

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: