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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4595) When short circuit read is fails, DFSClient does not fallback to regular reads
Date Wed, 13 Mar 2013 16:56:13 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HDFS-4595:
----------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0.5-beta
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

I committed the patch. Aaron and Colin, thanks for the review.
                
> When short circuit read is fails, DFSClient does not fallback to regular reads
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-4595
>                 URL: https://issues.apache.org/jira/browse/HDFS-4595
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 2.0.0-alpha
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: 2.0.5-beta
>
>         Attachments: HDFS-4595.patch, HDFS-4595.patch, HDFS-4595.patch, HDFS-4595.patch
>
>
> In 1.0, when short circuit is disallowed for a user, the DFSClient disables short circuit
and falls back to the regular socket based reads over DataTransferProtocol. In release 2.0,
this fallback functionality is not working.

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