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https://issues.apache.org/jira/browse/CRUNCH-306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13843769#comment-13843769
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Jeremy Lewi commented on CRUNCH-306:
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For my particular use case (Contrail) a PGroupedTable which writes each key to
a different instance of the target is sufficient.
My PGrouped table will be a mapping: String key->Array(Avro Records). I want
the records associated with each key to be written to file named something like
"key.avro". A nice feature would be able to supply a function which computes
the output file as a function of the key.
> MultipleOutput Targets
> ----------------------
>
> Key: CRUNCH-306
> URL: https://issues.apache.org/jira/browse/CRUNCH-306
> Project: Crunch
> Issue Type: Bug
> Components: IO
> Reporter: Josh Wills
>
> A commonly desired feature for Crunch is the ability to write an output file
> for each key in a PTable/PGroupedTable containing the values associated with
> that key. We should find a way to support that one-output-per-key model.
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