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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1427) Provide injected hooks for more versatile namenode control in system testing
Date Wed, 01 Aug 2012 23:41:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427007#comment-13427007
] 

Konstantin Boudnik commented on HDFS-1427:
------------------------------------------

well, you'd need to provide this NN extension APIs to your tests' code in order to compile
them. That what we have hit in the Herriot. 

One of the reasons I am slow in hooking up the old fault injection code back is that I have
a better idea how to make more flexible and totally fit it into runtime. However, I see a
high level of resistance from the community towards that dynamic approach :)
                
> Provide injected hooks for more versatile namenode control in system testing
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-1427
>                 URL: https://issues.apache.org/jira/browse/HDFS-1427
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 0.22.0
>            Reporter: Konstantin Boudnik
>
> For testing of append, safe mode and such an extensive injected API needs to be added
to NN (and possible DN) code.

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