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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/04/30 02:32:00 UTC

[jira] [Assigned] (SPARK-27601) Upgrade stream-lib to 2.9.6

     [ https://issues.apache.org/jira/browse/SPARK-27601?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-27601:
------------------------------------

    Assignee:     (was: Apache Spark)

> Upgrade stream-lib to 2.9.6
> ---------------------------
>
>                 Key: SPARK-27601
>                 URL: https://issues.apache.org/jira/browse/SPARK-27601
>             Project: Spark
>          Issue Type: Improvement
>          Components: Build
>    Affects Versions: 3.0.0
>            Reporter: Yuming Wang
>            Priority: Major
>
> 1. Improve HyperLogLogPlus.merge and HyperLogLogPlus.mergeEstimators by using native arrays instead of ArrayLists to avoid boxing and unboxing of integers. https://github.com/addthis/stream-lib/pull/98
> 2. Improve HyperLogLogPlus.sortEncodedSet by using Arrays.sort on appropriately transformed encoded values, in this way boxing and unboxing of integers is avoided. https://github.com/addthis/stream-lib/pull/97



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