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https://issues.apache.org/jira/browse/SPARK-6142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350163#comment-14350163
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Sean Owen commented on SPARK-6142:
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Yeah that makes sense. I agree that finalize() isn't something to generally
implement anyway, yes.
> 10-12% Performance regression with "finalize"
> ---------------------------------------------
>
> Key: SPARK-6142
> URL: https://issues.apache.org/jira/browse/SPARK-6142
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.3.0
> Reporter: Nishkam Ravi
>
> 10-12% performance regression in PageRank (and potentially other workloads)
> caused due to the use of finalize in ExternalAppendOnlyMap. Introduced by a
> commit on Feb 19th.
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