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Date: Mon, 8 Jan 2007 15:33:27 -0800 (PST)
From: "Doug Cutting (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Updated: (HADOOP-866) dfs -get should remove existing crc
 file if -crc is not specified
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     [ https://issues.apache.org/jira/browse/HADOOP-866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Doug Cutting updated HADOOP-866:
--------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 0.11.0)
                   0.10.1
           Status: Resolved  (was: Patch Available)

I just fixed this.  Thanks, Milind!

> dfs -get should remove existing crc file if -crc is not specified
> -----------------------------------------------------------------
>
>                 Key: HADOOP-866
>                 URL: https://issues.apache.org/jira/browse/HADOOP-866
>             Project: Hadoop
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.10.0
>         Environment: All
>            Reporter: Milind Bhandarkar
>         Assigned To: Milind Bhandarkar
>             Fix For: 0.10.1
>
>         Attachments: hadoop-get.patch
>
>
> When we added -crc option to dfs -get (aka dfs -copyToLocal) the absence of this command-line option implies not copying the crc file associated with hdfs file. However, if the checksum file already exists, it will not correspond with the newly copied data file, and opening it would cause checksum failure. The solution is to remove any existing crc file corresponding to the data file if -crc option is not given for -get. Patch forthcoming.

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