Bug #63128 explanation of the behavior of innodb_autoinc_lock_mode = 1 with INSERT IGNORE
Submitted: 7 Nov 2011 9:40 Modified: 26 Jun 2014 22:27
Reporter: Miguel Angel Nieto Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Documentation Severity:S3 (Non-critical)
Version:5.1 5.5 OS:Any
Assigned to: Daniel Price CPU Architecture:Any
Tags: auto_increment, documentation

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: