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From "5feixiang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4538) allow use of legacy blockreader
Date Mon, 28 Nov 2016 10:55:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15701626#comment-15701626
] 

5feixiang commented on HDFS-4538:
---------------------------------

How to get short-circuit read bytes and time?


> 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 P. McCabe
>            Assignee: Colin P. 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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