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From "Jitendra Nath Pandey (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2246) Shortcut a local client reads to a Datanodes files directly
Date Thu, 10 Nov 2011 22:43:53 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13148076#comment-13148076
] 

Jitendra Nath Pandey commented on HDFS-2246:
--------------------------------------------

{quote}
  Check DFS_CLIENT_READ_SHORTCIRCUIT when initializing userWithLocalPathAccess. What should
happen if DFS_CLIENT_READ_SHORTCIRCUIT is false but DFS_BLOCK_LOCAL_PATH_ACCESS_USER_KEY is
set to some user?
{quote}
 Datanode will allow getBlockLocalPathInfo if the user has local path access. DFS_CLIENT_READ_SHORTCIRCUIT
is a client side configuration and should be configured in the application using the HDFS
client.
                
> Shortcut a local client reads to a Datanodes files directly
> -----------------------------------------------------------
>
>                 Key: HDFS-2246
>                 URL: https://issues.apache.org/jira/browse/HDFS-2246
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Sanjay Radia
>         Attachments: 0001-HDFS-347.-Local-reads.patch, HDFS-2246-branch-0.20-security-205.1.patch,
HDFS-2246-branch-0.20-security-205.patch, HDFS-2246-branch-0.20-security-205.patch, HDFS-2246-branch-0.20-security-205.patch,
HDFS-2246-branch-0.20-security.3.patch, HDFS-2246-branch-0.20-security.no-softref.patch, HDFS-2246-branch-0.20-security.patch,
HDFS-2246.20s.1.patch, HDFS-2246.20s.2.txt, HDFS-2246.20s.3.txt, HDFS-2246.20s.4.txt, HDFS-2246.20s.patch,
localReadShortcut20-security.2patch
>
>


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