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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/04/29 16:45:13 UTC

[jira] [Commented] (SPARK-15003) Use ConcurrentHashMap in place of HashMap for NewAccumulator.originals

    [ https://issues.apache.org/jira/browse/SPARK-15003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15264135#comment-15264135 ] 

Apache Spark commented on SPARK-15003:
--------------------------------------

User 'tedyu' has created a pull request for this issue:
https://github.com/apache/spark/pull/12776

> Use ConcurrentHashMap in place of HashMap for NewAccumulator.originals
> ----------------------------------------------------------------------
>
>                 Key: SPARK-15003
>                 URL: https://issues.apache.org/jira/browse/SPARK-15003
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>            Reporter: Ted Yu
>
> This issue proposes to use ConcurrentHashMap in place of HashMap for NewAccumulator.originals
> This should result in better performance.
> Also removed AccumulatorContext#accumIds



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