Bug #41790 Wrong optimization on large offsets for LIMIT clause
Submitted: 30 Dec 2008 3:35 Modified: 30 Jan 2009 8:29
Reporter: Javier Smaldone Email Updates:
Status: No Feedback Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:5.0.51a OS:Linux
Assigned to: CPU Architecture:Any
Tags: filesort, INDEX, limit, OFFSET, Optimizer, performance

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: