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https://issues.apache.org/jira/browse/SPARK-18223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-18223:
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Assignee: Apache Spark
> Optimise PartitionedAppendOnlyMap implementation
> ------------------------------------------------
>
> Key: SPARK-18223
> URL: https://issues.apache.org/jira/browse/SPARK-18223
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 1.6.2, 2.0.1
> Reporter: Adam Roberts
> Assignee: Apache Spark
> Priority: Minor
>
> We can improve the PartitionedAppendOnlyMap implementation by taking
> advantage of of comparator wrapping, we have observed a 3% performance
> increase with both IBM's SDK for Java and OpenJDK on PageRank due to the
> inlining benefit
> HiBench large used, pull request to follow
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