Return-Path: X-Original-To: apmail-hadoop-common-user-archive@www.apache.org Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id DFF69D7A8 for ; Wed, 12 Sep 2012 03:20:18 +0000 (UTC) Received: (qmail 61605 invoked by uid 500); 12 Sep 2012 03:20:13 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 61457 invoked by uid 500); 12 Sep 2012 03:20:13 -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 61420 invoked by uid 99); 12 Sep 2012 03:20:12 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 12 Sep 2012 03:20:12 +0000 X-ASF-Spam-Status: No, hits=1.8 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT,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 manoj444@gmail.com designates 209.85.210.48 as permitted sender) Received: from [209.85.210.48] (HELO mail-pz0-f48.google.com) (209.85.210.48) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 12 Sep 2012 03:20:07 +0000 Received: by dadz8 with SMTP id z8so916384dad.35 for ; Tue, 11 Sep 2012 20:19:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=9Qfy0ANShxUgk258F9U8vjZPco7PeWJjaWFLd05Uxyo=; b=jrdPMGWspLDsgwyDAJ0TVL4eDjbmAxSl9qIa01pgKZkSIhBLRSZD1U+0kSA+DuM1Bx jl0pOLA1A3kxZMhiJszs3vqr3jvlmiP3XjILdIhiKPXeBsCeq1PTdd78o98qNHR+xhS+ cPHcc4aDuUSpD8/xC724RbmHXS5lA1LIMSkWG1f4qQ3FUtIy5nur3Apga2yrKD7IqfLf Ytf+6p9qqtKyS1+NvjIIyJFWiSdMfoBtZ6hDGWzikV6T43BjRkxGgIgXyV05Q+TTtb0l z1qaQy0i7ZJdX9qjCVQL/KaiQKednghLbDA726Wug25ljANwV5Qll6uAieHWM8/4YXvb DEYw== Received: by 10.68.222.40 with SMTP id qj8mr14468892pbc.139.1347419986649; Tue, 11 Sep 2012 20:19:46 -0700 (PDT) MIME-Version: 1.0 Received: by 10.66.127.11 with HTTP; Tue, 11 Sep 2012 20:19:26 -0700 (PDT) In-Reply-To: References: From: Manoj Babu Date: Wed, 12 Sep 2012 08:49:26 +0530 Message-ID: Subject: Re: How to not output the key To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=047d7b2ee2e9aae2cb04c978a976 X-Virus-Checked: Checked by ClamAV on apache.org --047d7b2ee2e9aae2cb04c978a976 Content-Type: text/plain; charset=ISO-8859-1 Hi, You have to specify the reducer key out type as NullWritable. Cheers! Manoj. On Wed, Sep 12, 2012 at 7:43 AM, Nataraj Rashmi - rnatar < Rashmi.Nataraj@acxiom.com> wrote: > Hello,**** > > ** ** > > I have simple map/reduce program to merge input files into one big output > files. My question is, is there a way not to output the key from the > reducer to the output file? I only want the value, not the key for each > record.**** > > ** ** > > Thanks**** > > ** ** > > *************************************************************************** > The information contained in this communication is confidential, is > intended only for the use of the recipient named above, and may be legally > privileged. > > If the reader of this message is not the intended recipient, you are > hereby notified that any dissemination, distribution or copying of this > communication is strictly prohibited. > > If you have received this communication in error, please resend this > communication to the sender and delete the original message or any copy > of it from your computer system. > > Thank You. > > **************************************************************************** > --047d7b2ee2e9aae2cb04c978a976 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi,

You have to specify the reducer key out type as Null= Writable.

Cheers!
Manoj.



On Wed, Sep 12, 2012 at 7:43 AM, Nataraj= Rashmi - rnatar <Rashmi.Nataraj@acxiom.com> wrote:<= br>

Hello,

=A0

I have simple map/reduce program to merge input file= s into one big output files. My question is, is there a way not to output t= he key from the reducer to the output file? I only want the value, not the = key for each record.

=A0

Thanks

=A0

************************************************************************= ***
The information contained in this communication is confidential, is
intended only for the use of the recipient named above, and may be legally<= br> privileged.

If the reader of this message is not the intended recipient, you are
hereby notified that any dissemination, distribution or copying of this
communication is strictly prohibited.

If you have received this communication in error, please resend this
communication to the sender and delete the original message or any copy
of it from your computer system.

Thank You.
***************************************************************************= *


--047d7b2ee2e9aae2cb04c978a976--