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From "Bill Graham (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2586) A better plan/data flow visualizer
Date Tue, 08 May 2012 22:27:48 GMT

    [ https://issues.apache.org/jira/browse/PIG-2586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270897#comment-13270897

Bill Graham commented on PIG-2586:

Yes, I should be able to post some sanitized snapshots later this week. We also have plans
to integrate PIG-2659.
> A better plan/data flow visualizer
> ----------------------------------
>                 Key: PIG-2586
>                 URL: https://issues.apache.org/jira/browse/PIG-2586
>             Project: Pig
>          Issue Type: Improvement
>          Components: impl
>            Reporter: Daniel Dai
>              Labels: gsoc2012
> Pig supports a dot graph style plan to visualize the logical/physical/mapreduce plan
(explain with -dot option, see http://ofps.oreilly.com/titles/9781449302641/developing_and_testing.html).
However, dot graph takes extra step to generate the plan graph and the quality of the output
is not good. It's better we can implement a better visualizer for Pig. It should:
> 1. show operator type and alias
> 2. turn on/off output schema
> 3. dive into foreach inner plan on demand
> 4. provide a way to show operator source code, eg, tooltip of an operator (plan don't
currently have this information, but you can assume this is in place)
> 5. besides visualize logical/physical/mapreduce plan, visualize the script itself is
also useful
> 6. may rely on some java graphic library such as Swing
> This is a candidate project for Google summer of code 2012. More information about the
program can be found at https://cwiki.apache.org/confluence/display/PIG/GSoc2012

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