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Posted to hdfs-issues@hadoop.apache.org by "Matt Foley (JIRA)" <ji...@apache.org> on 2012/05/29 08:42:23 UTC

[jira] [Updated] (HDFS-2654) Make BlockReaderLocal not extend RemoteBlockReader2

     [ 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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