Bug #83151 high number of SHOW WARNINGS can stall server if compressed protocol in use
Submitted: 26 Sep 2016 14:27 Modified: 23 Jan 2019 14:13
Reporter: Riccardo Pizzi Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Connection Handling Severity:S2 (Serious)
Version:5.6.33 OS:CentOS
Assigned to: CPU Architecture:Any
Tags: performance

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: