Bug #115496 UPDATE and INSERT...ON DUPLICATE KEY UPDATE... cause dead lock
Submitted: 3 Jul 2024 8:18 Modified: 3 Jul 2024 9:00
Reporter: Chen Liu Email Updates:
Status: Unsupported Impact on me:
None 
Category:MySQL Server: Locking Severity:S3 (Non-critical)
Version:5.6.16, 5.6.51, 5.7.1 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: