Bug #92193 [ERROR] [FATAL] InnoDB: Semaphore wait has lasted > 600 seconds. MySQL hang
Submitted: 25 Aug 2018 17:57 Modified: 26 Aug 2018 3:27
Reporter: Arpan Roy Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:5.7.22 OS:Red Hat (RHEL 7.4)
Assigned to: CPU Architecture:x86 (64 bit)

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: