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https://issues.apache.org/jira/browse/TEZ-1656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bikas Saha updated TEZ-1656:
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Attachment: TEZ-1656.1.patch
[~vikram.dixit] Please review. Thanks. The patch ensures that ordering is
maintained while collecting remainder splits for rack level grouping. Test for
it added.
> Grouping of splits should maintain the original ordering of splits within a
> group
> ---------------------------------------------------------------------------------
>
> Key: TEZ-1656
> URL: https://issues.apache.org/jira/browse/TEZ-1656
> Project: Apache Tez
> Issue Type: Task
> Reporter: Bikas Saha
> Assignee: Bikas Saha
> Attachments: TEZ-1656.1.patch
>
>
> Sometimes the original splits may have an ordering (eg. splits from a sorted
> file). Maintaining the ordering of splits inside a group maintains the sort
> order.
> The node level grouping maintains ordering. When collecting leftover groups
> for rack level grouping, the ordering is lost in current code.
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