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https://issues.apache.org/jira/browse/MAPREDUCE-679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12727156#action_12727156
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Aaron Kimball commented on MAPREDUCE-679:
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New patch available. Per a code-review comment on HDFS-453, I've split the
helper methods into a separate static class. Also added a test case which
starts a MiniMRCluster and retrieves the JSP page from the appropriate URL. It
uses Java's built-in SAX parser to parse the page, assure it is well-formed,
and that it contains exactly one {{<cluster>..</cluster>}} block which defines
the page of data.
> XML-based metrics as JSP servlet for JobTracker
> -----------------------------------------------
>
> Key: MAPREDUCE-679
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-679
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: jobtracker
> Reporter: Aaron Kimball
> Assignee: Aaron Kimball
> Attachments: MAPREDUCE-679.2.patch, MAPREDUCE-679.patch
>
>
> 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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