Return-Path: 
 <user-return-15338-apmail-hadoop-hdfs-user-archive=hadoop.apache.org@hadoop.apache.org>
X-Original-To: apmail-hadoop-hdfs-user-archive@minotaur.apache.org
Delivered-To: apmail-hadoop-hdfs-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 9220D11946
	for <apmail-hadoop-hdfs-user-archive@minotaur.apache.org>;
 Tue, 13 May 2014 09:19:20 +0000 (UTC)
Received: (qmail 67546 invoked by uid 500); 13 May 2014 07:29:59 -0000
Delivered-To: apmail-hadoop-hdfs-user-archive@hadoop.apache.org
Received: (qmail 67383 invoked by uid 500); 13 May 2014 07:29:59 -0000
Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm
Precedence: bulk
List-Help: <mailto:user-help@hadoop.apache.org>
List-Unsubscribe: <mailto:user-unsubscribe@hadoop.apache.org>
List-Post: <mailto:user@hadoop.apache.org>
List-Id: <user.hadoop.apache.org>
Reply-To: user@hadoop.apache.org
Delivered-To: mailing list user@hadoop.apache.org
Received: (qmail 67374 invoked by uid 99); 13 May 2014 07:29:59 -0000
Received: from Unknown (HELO nike.apache.org) (192.87.106.230)
    by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 13 May 2014 07:29:59 +0000
X-ASF-Spam-Status: No, hits=1.5 required=5.0
	tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS
X-Spam-Check-By: apache.org
Received-SPF: pass (nike.apache.org: domain of rajkrrsingh@gmail.com
 designates 209.85.216.42 as permitted sender)
Received: from [209.85.216.42] (HELO mail-qa0-f42.google.com) (209.85.216.42)
    by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 13 May 2014 07:29:56 +0000
Received: by mail-qa0-f42.google.com with SMTP id j5so8383367qaq.1
        for <user@hadoop.apache.org>; Tue, 13 May 2014 00:29:33 -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=7EGeDkKnGutMH6BRGl+bbjGxlJHxSICiMtQkh4pOwCA=;
        b=PhZqgthUsyuSXhY3kYbFUvErOdjjgJBIgoI3AYicolTFSoKOmb2UyUZN8fSQXZoN8L
         G12ZuWVRVf9zOIGfyd133L5qi684Wed4HzS+r2LrOqQolzk0igZljZtI/KWdWsS1Hu/K
         pLRoKWOWMv0V+EmtSogZcUcN7Opj/dOMREWRy9TqB6faa2ugc0yi/7Gxy8rFGB5VryoC
         IYqDIWPRR9vOMPqQGxddhndqIufnFzaIVhdBN31BPEcW5LR9fEolbPO3bph5+caLbx60
         B/OMVfaZixuCRhWPlSoGRWLRdCKIk+qewF08ODgzliQjFpkuNYRkkRLI/m4eqMPvk2Qn
         JFZA==
X-Received: by 10.224.160.142 with SMTP id n14mr45491484qax.17.1399966173216;
 Tue, 13 May 2014 00:29:33 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.140.108.199 with HTTP; Tue, 13 May 2014 00:29:03 -0700 (PDT)
In-Reply-To: 
 <CALGZSrBOLLQmzymM7qAYp=4VOOccAZd+seukjvzEGbRoGQ38YQ@mail.gmail.com>
References: 
 <CALGZSrBOLLQmzymM7qAYp=4VOOccAZd+seukjvzEGbRoGQ38YQ@mail.gmail.com>
From: Raj K Singh <rajkrrsingh@gmail.com>
Date: Tue, 13 May 2014 12:59:03 +0530
Message-ID: 
 <CADcmSarRe8KueQGEfAp0gDFQLRwujzXmD=VLje-_bqwP6Mqx_w@mail.gmail.com>
Subject: Re: Conversion from MongoDB to hadoop
To: user@hadoop.apache.org
Content-Type: multipart/alternative; boundary=047d7b5db06673c6db04f9430656
X-Virus-Checked: Checked by ClamAV on apache.org

--047d7b5db06673c6db04f9430656
Content-Type: text/plain; charset=UTF-8

are you using aggregation mapReduce feature of MongoDb or some scripting
language(python) to emit key/value pair?

::::::::::::::::::::::::::::::::::::::::
Raj K Singh
http://in.linkedin.com/in/rajkrrsingh
http://www.rajkrrsingh.blogspot.com
Mobile  Tel: +91 (0)9899821370


On Mon, May 12, 2014 at 11:18 AM, Ranjini Rathinam
<ranjinibecse@gmail.com>wrote:

> Hi,
>
> How to convert the Mapreduce from MongoDB  to Mapreduce Hadoop.
>
> Please suggest .
>
> Thanks in advance.
>
> Ranjini.
>

--047d7b5db06673c6db04f9430656
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:trebuche=
t ms,sans-serif">are you using aggregation mapReduce feature of MongoDb or =
some scripting language(python) to emit key/value pair?</div></div><div cla=
ss=3D"gmail_extra">

<br clear=3D"all"><div><div dir=3D"ltr"><font face=3D"trebuchet ms, sans-se=
rif">::::::::::::::::::::::::::::::::::::::::<br>Raj K Singh</font><div><fo=
nt face=3D"trebuchet ms, sans-serif"><a href=3D"http://in.linkedin.com/in/r=
ajkrrsingh" target=3D"_blank">http://in.linkedin.com/in/rajkrrsingh</a><br>

</font><div><font face=3D"trebuchet ms, sans-serif"><a href=3D"http://www.r=
ajkrrsingh.blogspot.com" target=3D"_blank">http://www.rajkrrsingh.blogspot.=
com</a><br>Mobile=C2=A0 Tel: +91 (0)9899821370</font><br></div></div></div>=
</div>

<br><br><div class=3D"gmail_quote">On Mon, May 12, 2014 at 11:18 AM, Ranjin=
i Rathinam <span dir=3D"ltr">&lt;<a href=3D"mailto:ranjinibecse@gmail.com" =
target=3D"_blank">ranjinibecse@gmail.com</a>&gt;</span> wrote:<br><blockquo=
te class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc so=
lid;padding-left:1ex">

<div>Hi,</div>
<div>=C2=A0</div>
<div>How to convert the Mapreduce from MongoDB=C2=A0 to Mapreduce Hadoop.</=
div>
<div>=C2=A0</div>
<div>Please suggest .</div>
<div>=C2=A0</div>
<div>Thanks in advance.</div><span class=3D"HOEnZb"><font color=3D"#888888"=
>
<div>=C2=A0</div>
<div>Ranjini.</div>
</font></span></blockquote></div><br></div>

--047d7b5db06673c6db04f9430656--