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https://issues.apache.org/jira/browse/HADOOP-4179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12650266#action_12650266
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Suhas Gogate commented on HADOOP-4179:
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failed unit test is NOT related to this patch.
> Hadoop-Vaidya : Rule based performance diagnostic tool for Map/Reduce jobs
> --------------------------------------------------------------------------
>
> Key: HADOOP-4179
> URL: https://issues.apache.org/jira/browse/HADOOP-4179
> Project: Hadoop Core
> Issue Type: New Feature
> Components: contrib/chukwa
> Affects Versions: 0.18.1
> Environment: ALL
> Reporter: Suhas Gogate
> Assignee: Suhas Gogate
> Fix For: 0.20.0
>
> Attachments: hadoop_vaidya_0200.patch
>
>
> Hadoop-Vaidya is a rule based performance diagnostic tool for Map/Reduce
> jobs. It performs a post execution analysis of map/reduce job by parsing and
> collecting execution statistics through job history log and job configuration
> files. It runs a set of predefined tests/rules against job execution
> statistics to diagnose various performance problems. Each test rule detects a
> specific performance problem with job and provides a targeted advice to the
> user. This tool generates an XML report based on the evaluation results of
> individual test rules.
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