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https://issues.apache.org/jira/browse/TEZ-2840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14876446#comment-14876446
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Siddharth Seth commented on TEZ-2840:
-------------------------------------
initialize is always called - that's part of the task setup process. It will be
invoked before invoking a Processor.run() - which is the point at which Hive
could actually invoke the init().
The patch doesn't harm anything since init ends up invoking initializeInternal
before it waits for events, but it isn't required either.
> MRInputLegacy.init should set splitInfoViaEvents
> ------------------------------------------------
>
> Key: TEZ-2840
> URL: https://issues.apache.org/jira/browse/TEZ-2840
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Fix For: 0.7.1, 0.8.1
>
> Attachments: TEZ-2840.patch
>
>
> Only one path that uses initializeInternal and thus this field actually sets
> it.
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