Bug #79940 XA with InnoDB allows a table to be dropped while an XA transaction has DML
Submitted: 12 Jan 2016 21:24 Modified: 4 Jul 2018 13:39
Reporter: George Lorch Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: XA transactions Severity:S3 (Non-critical)
Version:5.7.7, 5.7.11 OS:Any
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: