Bug #84081 super_read_only and read_only not allowing OPTIMIZE TABLE on 5.7
Submitted: 6 Dec 2016 18:38 Modified: 9 Dec 2016 7:04
Reporter: Gillian Gunson (OCA) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Options Severity:S3 (Non-critical)
Version:5.7.14, 5.7.16 OS:Ubuntu
Assigned to: CPU Architecture:Any
Tags: error, Optimize, read_only, super_read_only

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: