Bug #120238 maybe cause "could not find next log" if rotate binary log without fsync @@log_bin_index's parent dir
Submitted: 9 Apr 9:16
Reporter: Guisen Yang Email Updates:
Status: Open Impact on me:
None 
Category:MySQL Server: Replication Severity:S3 (Non-critical)
Version:5.7 8.0 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: