Bug #40986 Leading line comments prevent Query Cache from caching result.
Submitted: 24 Nov 2008 16:29 Modified: 7 Jul 2017 9:44
Reporter: David Walker Email Updates:
Status: Won't fix Impact on me:
None 
Category:MySQL Server: Query Cache Severity:S3 (Non-critical)
Version:4.1, 5.0, 5,1, 6.0 bzr OS:Any
Assigned to: CPU Architecture:Any
Tags: query cache comment

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: