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https://issues.apache.org/jira/browse/TEZ-1448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated TEZ-1448:
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Attachment: TEZ-1448.2.patch
> Make WeightedScalingMemoryDistributor as the default memory distributor
> -----------------------------------------------------------------------
>
> Key: TEZ-1448
> URL: https://issues.apache.org/jira/browse/TEZ-1448
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Attachments: TEZ-1448.1.patch, TEZ-1448.2.patch
>
>
> Currently Tez uses ScalingAllocator; WeightedScalingMemoryDistributor
> provides better control over ScalingAllocator.
> In certain DAG executions, response time improvements of over 6% have been
> observed at 10 TB scale and ~26% runtime improvement in memory intensive
> reducers.
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