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From "Dmytro Sen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-11498) Perf: Skip calling hostVersionDAO by HostComponentResourceProvider if host_version isn't requested
Date Thu, 28 May 2015 19:15:17 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-11498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14563509#comment-14563509
] 

Dmytro Sen commented on AMBARI-11498:
-------------------------------------

committed to trunk

> Perf: Skip calling hostVersionDAO by HostComponentResourceProvider if host_version isn't
requested
> --------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-11498
>                 URL: https://issues.apache.org/jira/browse/AMBARI-11498
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.1.0
>            Reporter: Dmytro Sen
>            Assignee: Dmytro Sen
>            Priority: Critical
>             Fix For: 2.1.0
>
>         Attachments: AMBARI-11498.patch
>
>
> 20% of server resources are spent for execution hostVersionDAO.findByHostAndStateCurrent()
, added check if host version requested, if no - no need to execute DB query.



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