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Date: Sat, 23 Mar 2013 00:33:15 +0000 (UTC)
From: "Daniel Dai (JIRA)" <jira@apache.org>
To: pig-dev@hadoop.apache.org
Message-ID: <JIRA.12546351.1331701532093.41061.1363998795537@arcas>
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Subject: [jira] [Commented] (PIG-2586) A better plan/data flow visualizer
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    [ https://issues.apache.org/jira/browse/PIG-2586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13611481#comment-13611481 ] 

Daniel Dai commented on PIG-2586:
---------------------------------

But no logical plan, right?
                
> 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: gsoc2013
>
> 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 2013. More information about the program can be found at https://cwiki.apache.org/confluence/display/PIG/GSoc2013

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