Bug #41531 mysql does crash recovery though the error log shows as normal shutdown.
Submitted: 17 Dec 2008 6:12 Modified: 17 Mar 2009 23:00
Reporter: kris dba Email Updates:
Status: No Feedback Impact on me:
None 
Category:MySQL Server Severity:S1 (Critical)
Version:5.1.24 OS:Linux
Assigned to: CPU Architecture:Any
Tags: crash recovery, normal shutdown, transaction rollback

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: