Return-Path: X-Original-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id A8E6ED844 for ; Wed, 29 Aug 2012 20:58:42 +0000 (UTC) Received: (qmail 35876 invoked by uid 500); 29 Aug 2012 20:58:38 -0000 Delivered-To: apmail-hadoop-mapreduce-user-archive@hadoop.apache.org Received: (qmail 35788 invoked by uid 500); 29 Aug 2012 20:58:38 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 35781 invoked by uid 99); 29 Aug 2012 20:58:38 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 29 Aug 2012 20:58:38 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=FSL_RCVD_USER,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of steveisoft@gmail.com designates 209.85.214.176 as permitted sender) Received: from [209.85.214.176] (HELO mail-ob0-f176.google.com) (209.85.214.176) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 29 Aug 2012 20:58:31 +0000 Received: by obbtb18 with SMTP id tb18so2527680obb.35 for ; Wed, 29 Aug 2012 13:58:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=+Uy7eKy8ueU8xWskKZn9e449IwwV2dQls9jam6bVS0g=; b=was48DgYARP2ji32D75ZtDyfOeiULRhtSIifLVEyt1iCzHXKdUJ0QPXB86GM83GcKK SmrpyGiHqXdGZaTULvhIOSmXcYWDNz0aBAyt4a3jYV5E/fHdme03J8wwRvJUTHfHyVhO BlJD+HpBJPc6Yo8P6PsWOVmXyTWkWrRrFLkfcMTA88Zw7SOTD+n4D9CpstXzE+VyqWM/ QIjg1ZrbRJduhPTEDZWvW8Mfo4bkWRqlbCv+jST651scb3EbINBvagNAyN3+YTqbtx3O D4o6A5wW/ubql9psQ5wV1hunznszUE0GCvz+/5pcrFgAbEjlWDc5jw7y7riOL0wfVRdb K/4w== MIME-Version: 1.0 Received: by 10.182.95.142 with SMTP id dk14mr2574000obb.2.1346273891390; Wed, 29 Aug 2012 13:58:11 -0700 (PDT) Received: by 10.60.56.200 with HTTP; Wed, 29 Aug 2012 13:58:11 -0700 (PDT) Date: Wed, 29 Aug 2012 16:58:11 -0400 Message-ID: Subject: Importing Data into HDFS From: Steve Sonnenberg To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=14dae93b5d2a11160b04c86dd17e X-Virus-Checked: Checked by ClamAV on apache.org --14dae93b5d2a11160b04c86dd17e Content-Type: text/plain; charset=ISO-8859-1 Is there any way to import data into HDFS without copying it in? (kinda of like by reference) I'm pretty sure the answer to this is no. What I'm looking for is something that will take existing NFS data and access it as an HDFS filesystem. Use case: I have existing data in a warehouse that I would like to run MapReduce etc. on without copying it into HDFS. If the data were in S3, could I run MapReduce on it? Thanks -- Steve Sonnenberg --14dae93b5d2a11160b04c86dd17e Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Is there any way to import data into HDFS without copying it in? (kinda of = like by reference)
I'm pretty sure the answer to this is no.

= What I'm looking for is something that will take existing NFS data and = access it as an HDFS filesystem.
Use case: I have existing data in a warehouse that I would like to run MapR= educe etc. on without copying it into HDFS.

If the data were in S3, = could I run MapReduce on it?

Thanks

--
Stev= e Sonnenberg

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