Bug #69809 documentation for back_log incomplete in Table 5.3 System Variable Summary
Submitted: 21 Jul 2013 23:30 Modified: 27 Apr 2019 22:49
Reporter: Simon Mudd (OCA) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Documentation Severity:S3 (Non-critical)
Version:5.6.11,5.6.12, 5.7 OS:Any
Assigned to: Paul DuBois 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: