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From "Suhas Gogate (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4179) Hadoop-Vaidya : Rule based performance diagnostic tool for Map/Reduce jobs
Date Tue, 04 Nov 2008 00:41:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12644863#action_12644863

Suhas Gogate commented on HADOOP-4179:

1. Although it is an independent tool right now, eventually would be integrated with Chukwa
(part of health care center), providing rule based analysis of the data it collects for M/R
jobs. At this time it does not use any Chukwa interface/library etc.

2. As Milind mentioned in one of his earlier comments, I was under impression that feature
freeze applies to hadoop core and not "contrib". Is it true? 

> 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_branch.0.19.0.patch, hadoop_vaidya_trunk.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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