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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-435) Add orthogonal fault injection mechanism/framework
Date Tue, 04 Aug 2009 22:08:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12739202#action_12739202
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Konstantin Boudnik commented on HDFS-435:
-----------------------------------------

I believe that all aspects of this JIRA were addressed by an appropriate subtasks. Thus, I
propose to resolve this umbrella JIRA as 'Fixed'

> Add orthogonal fault injection mechanism/framework
> --------------------------------------------------
>
>                 Key: HDFS-435
>                 URL: https://issues.apache.org/jira/browse/HDFS-435
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: test
>            Reporter: Konstantin Boudnik
>            Assignee: Konstantin Boudnik
>         Attachments: Fault injection development guide and Framework HowTo.pdf, Fault
injection development guide and Framework HowTo.pdf
>
>
> 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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