Bug #117022 DDL operations using copy algorithm aquires unnecessary row locks thus causing performance regession
Submitted: 19 Dec 8:02 Modified: 19 Dec 11:43
Reporter: Brian Yue (OCA) Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: DDL Severity:S5 (Performance)
Version:8.0.40 OS:Any (Redhat 7.4)
Assigned to: CPU Architecture:Any (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: