[MAPREDUCE-921] Map-Reduce framework should gracefully handle heterogenous clusters

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Component/s: jobtracker, tasktracker
• Assignee: Arun Murthy
• Reporter: Arun Murthy
• Created: 27/Aug/09 15:09
• Updated: 23/Jul/14 22:09
• Resolved: 23/Jul/14 22:09

Description

Currently several parts of the framework: components, configuration etc. implicitly assume uniformity of the cluster.

This jira is meant to be a meta-issue to track various improvements necessary to handle heterogenous clusters.

Sub-Tasks

• Automatic configuration of number of map and reduce slots based on available resources for dealing with heterogenous clusters: Resolved