Bug #80857 DATADIR is not set /usr/local/var at 5.5 and later
Submitted: 25 Mar 2016 8:08 Modified: 4 Apr 2016 14:28
Reporter: Tsubasa Tanaka (OCA) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Documentation Severity:S3 (Non-critical)
Version:5.5, 5.6, 5.7 OS:Linux
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: