Bug #87716 SELECT FOR UPDATE with BETWEEN AND gets row lock excessively.
Submitted: 9 Sep 2017 9:01 Modified: 13 Sep 2017 8:19
Reporter: Yoshiaki Yamasaki Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:5.7.18, 8.0.2, 5.7.19, 5.6.37 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: