Bug #61391 Metadata lock held on MyISAM table when AUTOCOMMIT turned off
Submitted: 2 Jun 2011 20:48 Modified: 3 Jun 2011 18:50
Reporter: Arash Alavi Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: Locking Severity:S2 (Serious)
Version:5.5.8 OS:Linux
Assigned to: Davi Arnaut CPU Architecture:Any
Tags: autocommit, myisam, table metadata lock

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: