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Date: Wed, 29 Jul 2009 16:15:15 -0700 (PDT)
From: "Ari Rabkin (JIRA)" <jira@apache.org>
To: chukwa-dev@hadoop.apache.org
Subject: [jira] Commented: (CHUKWA-344) State-Machine Generation for input
 to SALSA visualizations
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    [ https://issues.apache.org/jira/browse/CHUKWA-344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736899#action_12736899 ] 

Ari Rabkin commented on CHUKWA-344:
-----------------------------------

I wanted to stitch together the state machine transitions into a full causal graph of the job execution, and then build some kind of mechanized analysis for finding bottlenecks and tracking them over time -- figuring out if you have a slow task or a slow node or what.

> State-Machine Generation for input to SALSA visualizations
> ----------------------------------------------------------
>
>                 Key: CHUKWA-344
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-344
>             Project: Hadoop Chukwa
>          Issue Type: New Feature
>          Components: Data Processors
>    Affects Versions: 0.2.0, 0.3.0
>            Reporter: Jiaqi Tan
>            Assignee: Jiaqi Tan
>            Priority: Blocker
>             Fix For: 0.3.0
>
>         Attachments: CHUKWA-344.patch
>
>
> MapReduce job that runs after Demux to generate State-Machine data structures used for visualization and other SALSA analysis.

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