Bug #82997 Online DDL fails with
Submitted: 14 Sep 2016 17:18 Modified: 29 Jan 2018 12:11
Reporter: monty solomon Email Updates:
Status: Can't repeat Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S2 (Serious)
Version:5.7.13 OS:CentOS
Assigned to: MySQL Verification Team 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: