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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-435) Add orthogonal fault injection mechanism/framework
Date Wed, 22 Jul 2009 20:55:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12734308#action_12734308
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dhruba borthakur commented on HDFS-435:
---------------------------------------

> Dhruba, where should we put the doc? Any idea?

Docs typically go into src/docs. But we want the doc in an editable and open format. The pdf
format is not editable. One option is to convert it into forrest xml and check it into src/docs/src/documentation/content/xdocs.



> 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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