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Posted to issues@hive.apache.org by "liyunzhang_intel (JIRA)" <ji...@apache.org> on 2016/11/30 03:47:58 UTC

[jira] [Resolved] (HIVE-15259) The deserialization time of HOS20 is longer than what in HOS16

     [ https://issues.apache.org/jira/browse/HIVE-15259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

liyunzhang_intel resolved HIVE-15259.
-------------------------------------
    Resolution: Not A Bug

> The deserialization time of HOS20 is longer than what in  HOS16
> ---------------------------------------------------------------
>
>                 Key: HIVE-15259
>                 URL: https://issues.apache.org/jira/browse/HIVE-15259
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: liyunzhang_intel
>         Attachments: Deserialization_HOS16.PNG, Deserialization_HOS20.PNG
>
>
> deploy Hive on Spark on spark 1.6 version and spark 2.0 version.
> run query and in latest code(with spark2.0) the deserialization time of a task is 4 sec while the deserialization time of spark1.6 is 1 sec. The detail is in attached picture.



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