Bug #36725 UPDATE takes too long to execute
Submitted: 14 May 2008 20:19 Modified: 25 Nov 2008 17:26
Reporter: Shawn Hsiao Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S2 (Serious)
Version:5.1.22/5.0BK/5.1BK OS:Linux (Ubuntu 7.04)
Assigned to: CPU Architecture:Any
Tags: subquery benchmark

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: