[TEZ-1446] Move the fetch code for local disk fetch from data movement event handlers to fetcher

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Assignee: Prakash Ramachandran
• Reporter: Prakash Ramachandran
• Created: 18/Aug/14 18:24
• Updated: 06/Sep/14 01:36
• Resolved: 22/Aug/14 21:32

Description

doing the fetch in the EventHandler has the drawback of tying up the EventHandling thread, in case it takes time to read the Index file. Even, for a healthy disk - we can do without any delays on this thread, so that the fetcher have some work to do.
Also Need to add Unit test cases for the local fetch.