Bug #106953 LOCK_grant and LOCK_open can deadlock on a gtid slave
Submitted: 8 Apr 2022 6:42 Modified: 14 Jun 2022 8:27
Reporter: ting du Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Locking Severity:S3 (Non-critical)
Version:5.7 OS:Linux
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: