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Date: Wed, 6 Dec 2006 04:32:28 -0800 (PST)
From: "Sanjay Dahiya (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Updated: (HADOOP-619) Unify Map-Reduce and Streaming to take
 the same globbed input specification
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     [ http://issues.apache.org/jira/browse/HADOOP-619?page=all ]

Sanjay Dahiya updated HADOOP-619:
---------------------------------

    Attachment: Hadoop-619.patch

> Unify Map-Reduce and Streaming to take the same globbed input specification
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-619
>                 URL: http://issues.apache.org/jira/browse/HADOOP-619
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: eric baldeschwieler
>         Assigned To: Sanjay Dahiya
>         Attachments: Hadoop-619.patch, Hadoop-619.patch
>
>
> Right now streaming input is specified very differently from other map-reduce input.  It would be good if these two apps could take much more similar input specs.
> In particular -input in streaming expects a file or glob pattern while MR takes a directory.  It would be cool if both could take a glob patern of files and if both took a directory by default (with some patern excluded to allow logs, metadata and other framework output to be safely stored).
> We want to be sure that MR input is backward compatible over this change.  I propose that a single file should be accepted as an input or a single directory.  Globs should only match directories if the paterns is '/' terminated, to avoid massive inputs specified by mistake.
> Thoughts?

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