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https://issues.apache.org/jira/browse/TEZ-696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bikas Saha updated TEZ-696:
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Attachment: TEZ-696.1.patch
> Remove implicit copying of processor payload to input and output
> ----------------------------------------------------------------
>
> Key: TEZ-696
> URL: https://issues.apache.org/jira/browse/TEZ-696
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Bikas Saha
> Attachments: TEZ-696.1.patch
>
>
> In the task, the processor payload is implicitly copied to the input and
> output if they dont have one. While this may have been convenient in some
> cases, its very confusing when things dont work or when they surprisingly
> work. Also, its probably clearer to specify payload where appropriate so that
> its clear which one is for which. While writing the word count example I had
> to spend a lot of time debugging why my outputs had stopped working when I
> removed the map reduce confs from my non-MR processors.
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