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From "Davies Liu (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-9604) Unsafe ArrayData and MapData is very very slow
Date Thu, 19 Nov 2015 18:52:11 GMT

     [ https://issues.apache.org/jira/browse/SPARK-9604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Davies Liu resolved SPARK-9604.
-------------------------------
    Resolution: Fixed

> Unsafe ArrayData and MapData is very very slow
> ----------------------------------------------
>
>                 Key: SPARK-9604
>                 URL: https://issues.apache.org/jira/browse/SPARK-9604
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Davies Liu
>            Assignee: Wenchen Fan
>            Priority: Critical
>
> After the unsafe ArrayData and MapData merged in, this test become very slow (from less
than 1 second to more than 35 seconds).
> https://amplab.cs.berkeley.edu/jenkins/job/Spark-Master-SBT/AMPLAB_JENKINS_BUILD_PROFILE=hadoop2.3,label=centos/3157/testReport/org.apache.spark.sql.columnar/InMemoryColumnarQuerySuite/test_different_data_types/history/
> I tried to disable the cache, it's still very slow (also most the same), once remove
ArrayData and ArrayMap, it become much faster (still take about 10 seconds).
> Related changes: https://amplab.cs.berkeley.edu/jenkins/job/Spark-Master-SBT/AMPLAB_JENKINS_BUILD_PROFILE=hadoop2.3,label=centos/3148/changes
> Also the duration of Hive tests increased from 32min to 45min 
> https://amplab.cs.berkeley.edu/jenkins/job/Spark-Master-SBT/AMPLAB_JENKINS_BUILD_PROFILE=hadoop2.3,label=centos/3154/testReport/junit/org.apache.spark.sql.hive.execution/history/
> cc [~rxin]



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