Bug #92133 DICT_SYS mutex contention causes complete stall when running with 40 mill tables
Submitted: 22 Aug 2018 17:43 Modified: 27 Oct 2018 15:02
Reporter: Alexander Rubin Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Data Dictionary Severity:S5 (Performance)
Version:8.0.12 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: