[MAPREDUCE-3472] Port to 0.22 - The capacity-scheduler should assign multiple tasks per heartbeat

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: 0.22.1
• Labels: critical-0.22.0
• Target Version/s: 0.22.0
• Assignee: Mayank Bansal
• Reporter: Arun Murthy
• Created: 24/Nov/11 22:03
• Updated: 10/Jul/12 21:27

Description

HADOOP-3136 changed the default o.a.h.mapred.JobQueueTaskScheduler to assign multiple tasks per TaskTracker heartbeat, MAPREDUCE-517 added this to the capacity-scheduler.

We should port this to branch-0.22 too.

Issue Links

• is a clone of: MAPREDUCE-517 The capacity-scheduler should assign multiple tasks per heartbeat