Bug #90762 what is the use case of LOCK INSTANCE FOR BACKUP
Submitted: 5 May 2018 8:23 Modified: 7 May 2018 15:38
Reporter: chen chen (OCA) Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server Severity:S3 (Non-critical)
Version:8.0.11 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: