Bug #82387 mysqld was restarted. It maybe cause by index page corruption.
Submitted: 30 Jul 2016 8:41 Modified: 3 Aug 2016 5:54
Reporter: 李 源錫 Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Server Severity:S1 (Critical)
Version:5.6.25 OS:CentOS (6.4)
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: