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https://issues.apache.org/jira/browse/TEZ-3605?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kuhu Shukla updated TEZ-3605:
-----------------------------
    Attachment: TEZ-3605.003.patch

patch v3 attempts to fix the findbugs warning by declaring the 
numRecordsPerPartition as private member of ExternalSorter instead of 
protected. The getter remains public.

> Detect and prune empty partitions for the Ordered case
> ------------------------------------------------------
>
>                 Key: TEZ-3605
>                 URL: https://issues.apache.org/jira/browse/TEZ-3605
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Kuhu Shukla
>            Assignee: Kuhu Shukla
>         Attachments: TEZ-3605.001.patch, TEZ-3605.002.patch, 
> TEZ-3605.003.patch
>
>
> Analogous to the Unordered case we should not have empty partition 
> entries/segments in the Ordered/DefaultSorter case. This will save writing 
> unnecessary data.



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