Bug #98782 Using TempTable engine for GROUP BY is slower than using MEMORY engine
Submitted: 28 Feb 2020 18:57 Modified: 20 Jul 2020 8:30
Reporter: Øystein Grøvlen Email Updates:
Status: Can't repeat Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S5 (Performance)
Version:8.0.19 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: