Bug #121065 mysqld crashes with signal 11 while OPTIMIZE and concurrent DML on the same table
Submitted: 7 Aug 9:16
Reporter: Dirk Lange Email Updates:
Status: Open Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S1 (Critical)
Version:8.4.10, 8.0.45, 5.7.39 OS:Linux
Assigned to: CPU Architecture:x86

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: