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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4538) allow use of legacy blockreader
Date Tue, 02 Apr 2013 17:27:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13620027#comment-13620027
] 

Colin Patrick McCabe commented on HDFS-4538:
--------------------------------------------

{{dfs.client.use.legacy.blockreader.local}} causes us to use the legacy {{BlockReaderLocal}}.
 This is similar to how {{dfs.client.use.legacy.blockreader}} works.
                
> allow use of legacy blockreader
> -------------------------------
>
>                 Key: HDFS-4538
>                 URL: https://issues.apache.org/jira/browse/HDFS-4538
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, hdfs-client, performance
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-4538.001.patch, HDFS-4538.002.patch, HDFS-4538.003.patch, HDFS-4538.004.patch
>
>
> Some users might want to use the legacy block reader, because it is available on Windows,
whereas the secure solution has not yet been implemented there.  As described in the mailing
list discussion, let's enable this.

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