[MAPREDUCE-3718] Default AM heartbeat interval should be one second

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.0
• Fix Version/s: 0.23.1
• Component/s: mrv2, performance
• Hadoop Flags: Reviewed
• Assignee: Hitesh Shah
• Reporter: Vinod Kumar Vavilapalli
• Created: 24/Jan/12 21:43
• Updated: 05/Mar/12 02:49
• Resolved: 26/Jan/12 19:32

Description

Helps in improving app performance. RM should be able to handle this, as the heartbeats aren't really costly.