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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6204) Implementing aspects development and fault injeciton framework for Hadoop
Date Tue, 08 Sep 2009 23:52:57 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12752833#action_12752833
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Konstantin Boudnik commented on HADOOP-6204:
--------------------------------------------

Nicholas has raised the point if we need this modification in place by 0.21 release time.
There are two main reason why I was pushing this into Common right now:
- security tests: aspects framework will allow to test some AccessToken related functionality
without permanent modifications of the production code. I'm not sure if this functionality
will be included into 0.21 so I'd like to see any input on this
- MR needs aspect framework in place for handling load simulations (MAPREDUCE-728). If this
work doesn't require a permanent aspects framework in place and can live with a temp. fix
then we can postpone this JIRA's commit past 0.21 release.

Please comment.

> Implementing aspects development and fault injeciton framework for Hadoop
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-6204
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6204
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build, test
>            Reporter: Konstantin Boudnik
>            Assignee: Konstantin Boudnik
>         Attachments: HADOOP-6204.patch, HADOOP-6204.patch, HADOOP-6204.patch.indirect,
HADOOP-6204.patch.withmacros
>
>
> Fault injection framework implementation in HDFS (HDFS-435) turns out to be a very useful
feature both for error handling testing and for various simulations.
> There's certain demand for this framework, thus it need to be pulled up from HDFS and
brought into Common, so other sub-projects will be able to share it if needed.

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