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From "Matt Foley (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2654) Make BlockReaderLocal not extend RemoteBlockReader2
Date Tue, 29 May 2012 06:42:23 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matt Foley updated HDFS-2654:
-----------------------------

    Target Version/s: 0.23.1, 0.24.0, 1.1.0  (was: 0.23.1, 1.1.0)
       Fix Version/s: 1.1.0

fixed FixedVersion to be consistent with commits.
                
> Make BlockReaderLocal not extend RemoteBlockReader2
> ---------------------------------------------------
>
>                 Key: HDFS-2654
>                 URL: https://issues.apache.org/jira/browse/HDFS-2654
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node
>    Affects Versions: 0.23.1, 1.0.0
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>             Fix For: 0.24.0, 0.23.1, 1.1.0
>
>         Attachments: hdfs-2654-1.patch, hdfs-2654-2.patch, hdfs-2654-2.patch, hdfs-2654-2.patch,
hdfs-2654-3.patch, hdfs-2654-b1-1.patch, hdfs-2654-b1-2.patch, hdfs-2654-b1-3.patch, hdfs-2654-b1-4-fix.patch,
hdfs-2654-b1-4.patch
>
>
> The BlockReaderLocal code paths are easier to understand (especially true on branch-1
where BlockReaderLocal inherits code from BlockerReader and FSInputChecker) if the local and
remote block reader implementations are independent, and they're not really sharing much code
anyway. If for some reason they start to share significant code we can make the BlockReader
interface an abstract class.

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