Bug #80101 potential contention when releasing transaction locks.
Submitted: 21 Jan 2016 17:53 Modified: 28 Jun 2018 15:03
Reporter: Tingting Yu Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server Severity:S5 (Performance)
Version:5.7.10 OS:Ubuntu (14.04)
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: