Bug #31140 SELECT BLOB in query ordered by datetime improves performance
Submitted: 22 Sep 2007 4:36 Modified: 11 Dec 2007 6:22
Reporter: Darren Gordon Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S4 (Feature request)
Version:5.0.45 OS:Any
Assigned to: CPU Architecture:Any
Tags: BLOB, performance increase, selecting a blob, unrequired blob

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: