[YARN-138] Improve default config values for YARN

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 2.0.2-alpha, 0.23.4
• Component/s: resourcemanager, scheduler
• Labels: performance
• Assignee: Harsh J
• Reporter: Arun Murthy
• Created: 05/Jun/12 12:15
• Updated: 11/Oct/12 17:48
• Resolved: 30/Sep/12 03:48

Description

Currently some of our configs are way off e.g. min-alloc is 128M while max-alloc is 10240.

This leads to poor out-of-box performance as noticed by some users: http://s.apache.org/avd