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https://issues.apache.org/jira/browse/CRUNCH-105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13487286#comment-13487286
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Gabriel Reid commented on CRUNCH-105:
-------------------------------------
The current way to use it (without kicking off a run) is as follows:
pipeline.plan();
String dotFileContents =
pipeline.getConfiguration().get(MSCRPlanner.PIPELINE_PLAN_DOTFILE);
The contents of the dot file can be converted to an image using the tools from
graphviz.org.
I think it would be cool to have a more clear API to access the dot file
contents instead of just sticking them in the Configuration, although I think
that's lower priority.
> Add generation of Graphviz dot files to describe the pipeline job plan
> ----------------------------------------------------------------------
>
> Key: CRUNCH-105
> URL: https://issues.apache.org/jira/browse/CRUNCH-105
> Project: Crunch
> Issue Type: Improvement
> Components: Core
> Affects Versions: 0.4.0
> Reporter: Gabriel Reid
> Assignee: Gabriel Reid
> Attachments: CRUNCH-105.patch, innerjoingraph.png
>
>
> It could be very useful to have the ability to create Graphviz[1] dot
> files[2] based on the outcome of the planner. This could facilitate
> visualizing the full graph of DoFns as well as jobs and mappers and reducers
> in a Crunch pipeline.
> [1] http://graphviz.org
> [2] http://en.wikipedia.org/wiki/DOT_language
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