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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5974) Add orthogonal fault injection mechanism/framework
Date Tue, 09 Jun 2009 18:28:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12717776#action_12717776
] 

Konstantin Boudnik commented on HADOOP-5974:
--------------------------------------------

Great! Thanks for the pointer - I saw only 1.5.4 in there and somehow missed the latest version.
It worked, so I will publish the patch shortly.

> Add orthogonal fault injection mechanism/framework
> --------------------------------------------------
>
>                 Key: HADOOP-5974
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5974
>             Project: Hadoop Core
>          Issue Type: Test
>          Components: test
>            Reporter: Konstantin Boudnik
>            Assignee: Konstantin Boudnik
>
> It'd be great to have a fault injection mechanism for Hadoop.
> Having such solution in place will allow to increase test coverage of error handling
and recovery mechanisms, reduce reproduction time and increase the reproduction rate of the
problems.
> Ideally, the system has to be orthogonal to the current code and test base. E.g. faults
have to be injected at build time and would have to be configurable, e.g. all faults could
be turned off, or only some of them would be allowed to happen. Also, fault injection has
to be separated from production build. 

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