[TAJO-1695] Shuffle fetcher executor should be consider random writing

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.11.0
• Fix Version/s: 0.11.0
• Component/s: Data Shuffle, Worker
• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 21/Jul/15 09:26
• Updated: 22/Jul/15 04:42
• Resolved: 22/Jul/15 04:16

Description

Currently, shuffle fetcher executes simultaneously in same thread pool and It happens a lot of random writing.
We should change to dedicated thread pool per taskContainer