Bug #99575 insert into t (c1,...) values(%s,...) as v on duplicate key update c1=v.c1 slow
Submitted: 14 May 2020 15:26 Modified: 9 Feb 2023 20:02
Reporter: Julian Briggs Email Updates:
Status: Closed Impact on me:
None 
Category:Connector / Python Severity:S3 (Non-critical)
Version:8.0.20, 8.0.25 OS:Ubuntu (20.04)
Assigned to: CPU Architecture:ARM

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:

[14 May 2020 15:32] Julian Briggs
Python script to demonstrate the bug.

Attachment: mysql_on_dup_bug.py (text/x-python), 4.86 KiB.