A better plan/data flow visualizer
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Key: PIG-2586
URL: https://issues.apache.org/jira/browse/PIG-2586
Project: Pig
Issue Type: Improvement
Components: impl
Reporter: Daniel Dai
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
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