[MAPREDUCE-2818] Rest API for retrieving job / task statistics

• Type: New Feature
• Status: Resolved
• Priority: Trivial
• Resolution: Implemented
• Release Note: adds api features to the webapp part of hadoop allowing to retrieve task stats for a given job
• Assignee: Unassigned
• Reporter: Florian Leibert
• Created: 31/Oct/08 15:55
• Updated: 28/Sep/15 21:10
• Resolved: 10/Jul/12 16:21

Description

a rest api that returns a simple JSON containing information about a given job such as: min/max/avg times per task, failed tasks, etc. This would be useful in order to allow external restart or modification of parameters of a run.

Issue Links

• is related to: YARN-2332 Create REST interface for app submission
• is related to: HDFS-453 XML-based metrics as JSP servlet for NameNode
• is related to: MAPREDUCE-679 XML-based metrics as JSP servlet for JobTracker
• is related to: MAPREDUCE-506 make HistoryViewer a public class.