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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/06/28 06:18:00 UTC

[jira] [Assigned] (SPARK-21236) Make the threshold of using HighlyCompressedStatus configurable.

     [ https://issues.apache.org/jira/browse/SPARK-21236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-21236:
------------------------------------

    Assignee: Apache Spark

> Make the threshold of using HighlyCompressedStatus configurable.
> ----------------------------------------------------------------
>
>                 Key: SPARK-21236
>                 URL: https://issues.apache.org/jira/browse/SPARK-21236
>             Project: Spark
>          Issue Type: Bug
>          Components: Shuffle
>    Affects Versions: 2.1.1
>            Reporter: jin xing
>            Assignee: Apache Spark
>            Priority: Minor
>
> Currently the threshold of using {{HighlyCompressedMapStatus}} is hardcoded 2000.
> We could make this configurable. Thus users having enough memory on driver can configure the threshold to be larger thus to save the size of blocks more accurately in {{CompressedMapStatus}}.



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