Bug #50212 MySQL doesn't use Primary Index for ORDER BY
Submitted: 10 Jan 2010 14:07 Modified: 28 Feb 2011 8:36
Reporter: Shlomo Priymak Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:5.1.37, 5.1.42, 5.1.43-bzr OS:Any
Assigned to: Tor Didriksen CPU Architecture:Any
Tags: 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: