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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4453) Make a simple doc to describe the usage and design of the shortcircuit read feature
Date Mon, 04 Feb 2013 19:24:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13570544#comment-13570544
] 

Todd Lipcon commented on HDFS-4453:
-----------------------------------

Fair enough. Want to rev the patch with the other above suggestions?
                
> Make a simple doc to describe the usage and design of the shortcircuit read feature
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-4453
>                 URL: https://issues.apache.org/jira/browse/HDFS-4453
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, hdfs-client
>            Reporter: Brandon Li
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-4453.001.patch, HDFS-4453.002.patch
>
>
> It would be nice to have a document to describe the configuration and design of this
feature. Also its relationship with previous short circuit read implementation(HDFS-2246),
for example, can they co-exist, or this one is planed to replaces HDFS-2246, or it can fall
back on HDFS-2246 when unix domain socket is not supported.

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