[ https://issues.apache.org/jira/browse/TEZ-4088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated TEZ-4088:
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Attachment: TEZ-4088.1.patch
> Create in-memory ifile writer for transferring smaller payloads (follow up of TEZ-4075)
> ---------------------------------------------------------------------------------------
>
> Key: TEZ-4088
> URL: https://issues.apache.org/jira/browse/TEZ-4088
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Priority: Major
> Attachments: TEZ-4088.1.patch
>
>
> TEZ-4075 enabled data transfer over DME for smaller payloads. This helps in reducing
shuffle.
> However, it still incurs disk IO cost (+flush) in producer side. It would be good to
retain smaller payloads in mem, so that disk IO costs can be saved.
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