Bug #70396 the server was crashed while running 5.7.2 on the dataset of 5.6.14
Submitted: 22 Sep 2013 10:44 Modified: 21 Feb 2014 12:04
Reporter: zhai weixiang (OCA) Email Updates:
Status: Can't repeat Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:5.7.2 OS:Any
Assigned to: CPU Architecture:Any

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: