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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-539) Fault injeciton utlis for pipeline testing needs to be refactored for future reuse by other tests
Date Thu, 13 Aug 2009 22:03:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12742996#action_12742996
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Konstantin Boudnik commented on HDFS-539:
-----------------------------------------

bq. It may not be safe to use LocatedBlock as a key since the object content may change from
time to time. How about use String?
bq. I may be wrong, but in your patch, are you assuming a datanode can't be in more than one
pipeline simultaneously? 

Well, it wasn't an intentional assumption anyway. I think you're right and I need to change
the way of creating the keys of the pipelines' cache. Update is coming.

> Fault injeciton utlis for pipeline testing needs to be refactored for future reuse by
other tests
> -------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-539
>                 URL: https://issues.apache.org/jira/browse/HDFS-539
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: test
>            Reporter: Konstantin Boudnik
>            Assignee: Konstantin Boudnik
>         Attachments: HDFS-539.patch, HDFS-539.patch
>
>
> It turns out that the current version of the helper classes introduced by HDFS-451 isn't
very expendable. This JIRA is created to provide better API to this set of helper classes.

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