Bug #71017 mysqldump creates useless metadata locks
Submitted: 26 Nov 2013 18:29 Modified: 14 Jan 2014 18:33
Reporter: Eric Bergen (OCA) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: DDL Severity:S3 (Non-critical)
Version:5.5 OS:Any
Assigned to: CPU Architecture:Any
Tags: mysqldump

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: