Bug #28211 RENAME DATABASE and query cache don't play nicely together
Submitted: 3 May 2007 2:05 Modified: 23 Jun 2007 8:23
Reporter: Shane Bester (Platinum Quality Contributor) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: General Severity:S1 (Critical)
Version:5.1.x, 5.1BK OS:Any
Assigned to: Kristofer Pettersson CPU Architecture:Any
Tags: DoS, hang, query cache

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: