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From "Szehon Ho (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15102) Hiveptest is killing nodes where IP is reused after previous node termination
Date Tue, 01 Nov 2016 17:18:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15626046#comment-15626046
] 

Szehon Ho commented on HIVE-15102:
----------------------------------

+1

I think Brock wrote this original code so he might know more, but yes it does look like a
bug to me.  Only small comment is, you can annotate this method with @VisibleForTesting annotation.

> Hiveptest is killing nodes where IP is reused after previous node termination
> -----------------------------------------------------------------------------
>
>                 Key: HIVE-15102
>                 URL: https://issues.apache.org/jira/browse/HIVE-15102
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 2.2.0
>            Reporter: Sergio Peña
>            Assignee: Sergio Peña
>         Attachments: HIVE-15102.1.patch
>
>
> NO PRECOMMIT TESTS
> The Hiveptest framework has a background thread that runs every hour, and attempts to
kill zombie nodes that are not being used by the test execution anymore. 
> These killed nodes are kept in a list of terminated nodes, and next time the background
thread is executed, it will attempt to kill all those nodes again because Hiveptest consider
them as zombie nodes.
> The problem is that cloud providers can give you the same IP numbers for new nodes, and
when the background thread runs, it will kill those nodes that may still be in used by Hiveptest.



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