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From "Guo Ruijing (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10955) FSShell's get operation should have the ability to take "start" and "length" argument
Date Tue, 12 Aug 2014 01:22:12 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guo Ruijing updated HADOOP-10955:
---------------------------------

    Description: 
Use Case: if HDFS file is corrupted, some tool can be used to copy out good part of corrupted
file. We may enhance "hdfs -get" to copy out good part.

Existing:
hadoop fs [generic options] -get [-p] [-ignoreCrc] [-crc] <src> ... <localdst>

Proposal:

hadoop fs [generic options] -get [-p] [-ignoreCrc] [-crc] [-start] [-length] <src> ...
<localdst>

  was:
Use Case: if HDFS file is corrupted, some tool can be used to copy out good part of corrupted
file. We may enhance "hdfs -get" to copy out good part.

Existing:
hadoop fs [generic options] -get [-p] [-ignoreCrc] [-crc] <src> ... <localdst>

Proposal:

hadoop fs [generic options] -get [-p] [-ignoreCrc] [-crc] [-length] <src> ... <localdst>

        Summary: FSShell's get operation should have the ability to take "start" and "length"
argument  (was: FSShell's get operation should have the ability to take a "length" argument)

> FSShell's get operation should have the ability to take "start" and "length" argument
> -------------------------------------------------------------------------------------
>
>                 Key: HADOOP-10955
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10955
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Guo Ruijing
>
> Use Case: if HDFS file is corrupted, some tool can be used to copy out good part of corrupted
file. We may enhance "hdfs -get" to copy out good part.
> Existing:
> hadoop fs [generic options] -get [-p] [-ignoreCrc] [-crc] <src> ... <localdst>
> Proposal:
> hadoop fs [generic options] -get [-p] [-ignoreCrc] [-crc] [-start] [-length] <src>
... <localdst>



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