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https://issues.apache.org/jira/browse/TEZ-4132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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László Bodor updated TEZ-4132:
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Description:
Maybe ByteBuffer instances can be shared between consecutively running task
attempts / pipelined sorters instead of creating and allocating them in case of
every task attempt:
https://github.com/apache/tez/blob/master/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/common/sort/impl/PipelinedSorter.java#L247
> Reuse PipelinedSorter's allocated ByteBuffer between task attempts
> ------------------------------------------------------------------
>
> Key: TEZ-4132
> URL: https://issues.apache.org/jira/browse/TEZ-4132
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: László Bodor
> Assignee: László Bodor
> Priority: Major
>
> Maybe ByteBuffer instances can be shared between consecutively running task
> attempts / pipelined sorters instead of creating and allocating them in case
> of every task attempt:
> https://github.com/apache/tez/blob/master/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/common/sort/impl/PipelinedSorter.java#L247
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