[jira] [Updated] (TEZ-3804) FetcherOrderedGrouped#setupLocalDiskFetch should ignore empty partition records

["Kuhu Shukla (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TEZ-3804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kuhu Shukla updated TEZ-3804:
-----------------------------
    Attachment: TEZ-3804.001.patch

First cut of the patch. Includes some test changes to existing test as they expected "copySucceeded" to be called irrespective of the index record size. Added a test that checks is copySucceeded is called for empty partitions or not.

> FetcherOrderedGrouped#setupLocalDiskFetch should ignore empty partition records
> -------------------------------------------------------------------------------
>
>                 Key: TEZ-3804
>                 URL: https://issues.apache.org/jira/browse/TEZ-3804
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Kuhu Shukla
>            Assignee: Kuhu Shukla
>         Attachments: TEZ-3804.001.patch
>
>
> Similar to the copyMapOutput() logic, local fetches can also ignore indexRecords that are empty (hasData == false) to avoid duplicate fetch warnings.



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