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https://issues.apache.org/jira/browse/SPARK-3671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ankur Dave resolved SPARK-3671.
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Resolution: Fixed
Issue resolved by https://github.com/amplab/spark-indexedrdd/pull/4
> Batch multiput updates within partitions
> ----------------------------------------
>
> Key: SPARK-3671
> URL: https://issues.apache.org/jira/browse/SPARK-3671
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Reporter: Ankur Dave
> Assignee: Ankur Dave
>
> Multiputs that touch the same 32-element leaf node multiple times will
> currently allocate and throw away a 32-element array per updated element.
> Instead, we should batch together all updates to the same leaf node and apply
> them in one step.
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