Bug #48128 unexpected lock timeout while selecting from innodb table
Submitted: 17 Oct 2009 5:18 Modified: 17 Oct 2009 7:42
Reporter: A Ramos Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: Locking Severity:S5 (Performance)
Version:5.0.67 OS:Linux (Ubuntu build)
Assigned to: CPU Architecture:Any
Tags: innodb, locking

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: