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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9272) Implement a unix-like cat utility
Date Tue, 20 Oct 2015 17:52:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14965464#comment-14965464
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Allen Wittenauer commented on HDFS-9272:
----------------------------------------

I don't think this is the correct approach.  For interactive, client-side operations, you
really want WebHDFS and not RPC due to the compatibility problems.

> Implement a unix-like cat utility
> ---------------------------------
>
>                 Key: HDFS-9272
>                 URL: https://issues.apache.org/jira/browse/HDFS-9272
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: James Clampffer
>            Assignee: James Clampffer
>            Priority: Minor
>
> Implement the basic functionality of "cat" and have it build as a separate executable.
> 2 Reasons for this:
> We don't have any real integration tests at the moment so something simple to verify
that the library actually works against a real cluster is useful.
> Eventually I'll make more utilities like stat, mkdir etc.  Once there are enough of them
it will be simple to make a C++ implementation of the hadoop fs command line interface that
doesn't take the latency hit of spinning up a JVM.



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