Bug #81803 Mysql 5.1 and later Update performance regression
Submitted: 10 Jun 2016 12:35 Modified: 15 Jun 2016 16:57
Reporter: ludovic halleux Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:>=5.1 OS:Any
Assigned to: CPU Architecture:Any
Tags: innodb, UPDATE

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: