Bug #119052 Performance regression in 8.0.40
Submitted: 22 Sep 9:22 Modified: 23 Sep 2:43
Reporter: zhiyang zhi Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:8.0.43 OS:Linux (5.10.134-19.al8.x86_64)
Assigned to: CPU Architecture:x86 (x86_64)
Tags: comparing 8.0.39 and 8.0.40, performance decreased by 15 times

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: