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https://issues.apache.org/jira/browse/TEZ-1937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated TEZ-1937:
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Attachment: TEZ-1937.2.patch
removed unrelated change in latest patch.
> Reduce cost of merging ifiles in UnorderedPartitionedWriter
> -----------------------------------------------------------
>
> Key: TEZ-1937
> URL: https://issues.apache.org/jira/browse/TEZ-1937
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Attachments: TEZ-1937.1.patch, TEZ-1937.2.patch, TEZ-1937.WIP.patch
>
>
> Currently we iterate through all spilled files for merging. This incurs
> additional deserialization cost.
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