Bug #74342 InnoDB disk reads at 1 thread much slower in 5.7.5
Submitted: 12 Oct 2014 18:02 Modified: 23 Apr 2018 7:29
Reporter: Mark Callaghan Email Updates:
Status: No Feedback Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:5.7.5, 5.7.14 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: