Bug #117498 Traversing a relatively long undo-chain will seriously affect write performance
Submitted: 18 Feb 9:37 Modified: 27 Mar 13:36
Reporter: Ruyi Zhang (OCA) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S5 (Performance)
Version:8.0.41 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: