Bug #29150 intolerably considerable performance degradation since MySQL 4.1.1
Submitted: 15 Jun 2007 21:26 Modified: 25 Feb 2014 18:16
Reporter: Ze Cheng Email Updates:
Status: Can't repeat Impact on me:
None 
Category:MySQL Server: General Severity:S5 (Performance)
Version:above 4.1.1 OS:Linux (2.6.14.2-95.caos.numa 2005 x86_64 x86_64 x86_64 GNU/Linux and 2.6.9-5.ELsmp i686 i686 i386 GNU/Linux)
Assigned to: CPU Architecture:Any
Tags: INDEX, myisam tables

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: