[#HADOOP-4559] Rest API for retrieving job / task statistics

Hadoop Common

Rest API for retrieving job / task statistics

Created: 31/Oct/08 03:55 PM Updated: 30/Jun/09 12:03 AM

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File Attachments:

	File Name	Date Attached	Attached By	Size
	HADOOP-4559v2.patch	2008-12-22 03:54 PM	Florian Leibert	17 kB

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This issue is related to:

MAPREDUCE-454 Create service interface for job submission

~~MAPREDUCE-679~~ XML-based metrics as JSP servlet for JobTracker

HDFS-453 XML-based metrics as JSP servlet for NameNode

~~MAPREDUCE-506~~ make HistoryViewer a public class.

Release Note:

adds api features to the webapp part of hadoop allowing to retrieve task stats for a given job

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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.

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