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Date: Tue, 9 Feb 2010 20:29:28 +0000 (UTC)
From: "stack (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Subject: [jira] Updated: (HDFS-927) DFSInputStream retries too many times
 for new block locations
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     [ https://issues.apache.org/jira/browse/HDFS-927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HDFS-927:
-----------------------

       Resolution: Fixed
    Fix Version/s: 0.21.0
                   0.20.2
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

We ran a vote on applying patch to 0.20 and 0.21 branches and vote passed (Follow the thread that starts here http://www.mail-archive.com/hbase-dev@hadoop.apache.org/msg17043.html).

Patches have been applied to 0.20 and 0.21 branches.

Thanks for the patch Todd Lipcon.

> DFSInputStream retries too many times for new block locations
> -------------------------------------------------------------
>
>                 Key: HDFS-927
>                 URL: https://issues.apache.org/jira/browse/HDFS-927
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>    Affects Versions: 0.21.0, 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Critical
>             Fix For: 0.20.2, 0.21.0
>
>         Attachments: hdfs-927-branch-0.21.txt, hdfs-927-branch0.20.txt, hdfs-927.txt
>
>
> I think this is a regression caused by HDFS-127 -- DFSInputStream is supposed to only go back to the NN max.block.acquires times, but in trunk it goes back twice as many - the default is 3, but I am counting 7 calls to getBlockLocations before an exception is thrown.

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