[#MAPREDUCE-679] XML-based metrics as JSP servlet for JobTracker

Hadoop Map/Reduce

XML-based metrics as JSP servlet for JobTracker

Created: 30/Jun/09 12:00 AM Updated: 12/Oct/09 05:15 PM

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Component/s:

jobtracker

Affects Version/s:

None

Fix Version/s:

0.21.0

Time Tracking:

Not Specified

File Attachments:

File Name	Date Attached	Attached By	Size
example-jobtracker-completed-job.xml	2009-08-21 12:44 AM	Aaron Kimball	1 kB
example-jobtracker-running-job.xml	2009-08-21 12:45 AM	Aaron Kimball	1 kB
MAPREDUCE-679.2.patch	2009-07-03 11:22 PM	Aaron Kimball	10 kB
MAPREDUCE-679.3.patch	2009-08-21 12:45 AM	Aaron Kimball	11 kB
MAPREDUCE-679.4.patch	2009-08-28 11:51 PM	Aaron Kimball	11 kB
MAPREDUCE-679.5.patch	2009-09-09 11:47 PM	Aaron Kimball	16 kB
MAPREDUCE-679.6.patch	2009-09-17 06:10 PM	Aaron Kimball	16 kB
MAPREDUCE-679.7.patch	2009-09-18 06:19 PM	Aaron Kimball	16 kB
MAPREDUCE-679.patch	2009-06-30 12:00 AM	Aaron Kimball	5 kB

Issue Links:

Reference

This issue relates to:

HADOOP-4559 Rest API for retrieving job / task statistics

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

Hadoop Flags:	Reviewed
Release Note:	Added XML-based JobTracker status JSP page for metrics reporting
Resolution Date:	18/Sep/09 10:09 PM

Description

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In HADOOP-4559, a general REST API for reporting metrics was proposed but work seems to have stalled. In the interim, we have a simple XML translation of the existing JobTracker status page which provides the same metrics (including the tables of running/completed/failed jobs) as the human-readable page. This is a relatively lightweight addition to provide some machine-understandable metrics reporting.

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Work Log

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Repository	Revision	Date	User	Message
ASF	#816800	Fri Sep 18 22:09:24 UTC 2009	tomwhite	~~MAPREDUCE-679~~. XML-based metrics as JSP servlet for JobTracker. Contributed by Aaron Kimball.
				Files Changed
				MODIFY /hadoop/mapreduce/trunk/CHANGES.txt MODIFY /hadoop/mapreduce/trunk/build.xml ADD /hadoop/mapreduce/trunk/src/test/mapred/org/apache/hadoop/mapred/TestJobTrackerXmlJsp.java ADD /hadoop/mapreduce/trunk/src/webapps/job/jobtracker.jspx MODIFY /hadoop/mapreduce/trunk/src/webapps/job/jobtracker.jsp ADD /hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapreduce/server/jobtracker/JobTrackerJspHelper.java MODIFY /hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java MODIFY /hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapred/JSPUtil.java