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Posted to issues@hive.apache.org by "Thejas M Nair (JIRA)" <ji...@apache.org> on 2017/01/26 20:22:24 UTC

[jira] [Assigned] (HIVE-15712) new HiveConf in SQLOperation.getSerDe() impacts CPU on hiveserver2

     [ https://issues.apache.org/jira/browse/HIVE-15712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thejas M Nair reassigned HIVE-15712:
------------------------------------

    Assignee: Thejas M Nair  (was: anishek)

> 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: Thejas M Nair
>             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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