Bug #70450 Manual does NOT list all kinds of inefficient queries over FEDERATED tables
Submitted: 27 Sep 2013 13:05 Modified: 28 Jan 2015 13:56
Reporter: Valeriy Kravchuk Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Documentation Severity:S3 (Non-critical)
Version: OS:Any
Assigned to: Jon Stephens CPU Architecture:Any
Tags: federated, performance

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: