Bug #99601 Broken Performance using EXIST function, increasing execution time each loop
Submitted: 16 May 2020 13:29 Modified: 27 Aug 2020 14:10
Reporter: Ronny Görner Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:8.0.1-8.0.20 OS:Linux (tested on Debian,Ubuntu,CentOS)
Assigned to: CPU Architecture:Other (tested on AMD+Intel)

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: