Bug #74684 semaphore wait has lasted > 600 seconds causes server to crash
Submitted: 4 Nov 2014 14:48 Modified: 5 Nov 2014 8:01
Reporter: Laurenz Albe Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:5.5.38 OS:Linux (RHEL 6.5 x86_64)
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: