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From "Lav Jain (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-17938) Ambari should not recursively chown for HAWQ hdfs upon every start
Date Tue, 16 Aug 2016 19:18:20 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-17938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15423246#comment-15423246
] 

Lav Jain commented on AMBARI-17938:
-----------------------------------

Confirmed. Thanks [~jluniya] for taking care of this.

> Ambari should not recursively chown for HAWQ hdfs upon every start
> ------------------------------------------------------------------
>
>                 Key: AMBARI-17938
>                 URL: https://issues.apache.org/jira/browse/AMBARI-17938
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: trunk, 2.4.0
>            Reporter: Lav Jain
>            Assignee: Lav Jain
>              Labels: performance
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-17938.patch, AMBARI-17938.v2.patch, AMBARI-17938.v3.patch
>
>
> This results in changing of owner even if the owner value is same. The operation is very
costly if there are a lot of subdirectories.
> The owner value only changes when you switch from regular mode to secure mode and vice-versa.



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