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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15712) new HiveConf in SQLOperation.getSerDe() impacts CPU on hiveserver2
Date Fri, 27 Jan 2017 05:08:24 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15841008#comment-15841008
] 

Thejas M Nair commented on HIVE-15712:
--------------------------------------

Verifying the TestSparkCliDriver failures.
Rest of them are now accounted for in HIVE-15058

> new HiveConf in SQLOperation.getSerDe() impacts CPU on hiveserver2
> ------------------------------------------------------------------
>
>                 Key: HIVE-15712
>                 URL: https://issues.apache.org/jira/browse/HIVE-15712
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>    Affects Versions: 2.1.1
>            Reporter: anishek
>            Assignee: anishek
>             Fix For: 2.2.0
>
>         Attachments: HIVE-15712.1.patch, HIVE-15712.1.patch
>
>
> On doing internal performance test, with about 10 concurrent users we found that about
18%  of CPU on hiveserver2 is spent in creation of new HiveConf() in  SQLOperation.getSerDe().



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