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 C6CC610381 for ; Fri, 27 Feb 2015 19:59:41 +0000 (UTC) Received: (qmail 91042 invoked by uid 500); 27 Feb 2015 19:59:30 -0000 Delivered-To: apmail-hadoop-mapreduce-user-archive@hadoop.apache.org Received: (qmail 90939 invoked by uid 500); 27 Feb 2015 19:59:30 -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 90929 invoked by uid 99); 27 Feb 2015 19:59:30 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 27 Feb 2015 19:59:30 +0000 X-ASF-Spam-Status: No, hits=2.0 required=5.0 tests=FSL_HELO_BARE_IP_2,RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of vinodkv@hortonworks.com designates 64.78.52.184 as permitted sender) Received: from [64.78.52.184] (HELO relayvx11b.securemail.intermedia.net) (64.78.52.184) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 27 Feb 2015 19:59:23 +0000 Received: from securemail.intermedia.net (localhost [127.0.0.1]) by emg-ca-1-1.localdomain (Postfix) with ESMTP id 457E153E19 for ; Fri, 27 Feb 2015 11:58:00 -0800 (PST) Subject: Re: 1 job with Input data from 2 HDFS? MIME-Version: 1.0 x-echoworx-emg-received: Fri, 27 Feb 2015 11:58:00.202 -0800 x-echoworx-msg-id: 6af6ba55-a56d-4130-aaf7-54df8a771898 x-echoworx-action: delivered Received: from 10.254.155.14 ([10.254.155.14]) by emg-ca-1-1 (JAMES SMTP Server 2.3.2) with SMTP ID 734 for ; Fri, 27 Feb 2015 11:58:00 -0800 (PST) Received: from MBX080-W4-CO-1.exch080.serverpod.net (unknown [10.224.117.101]) by emg-ca-1-1.localdomain (Postfix) with ESMTP id 09CC353E19 for ; Fri, 27 Feb 2015 11:58:00 -0800 (PST) Received: from MBX080-W4-CO-2.exch080.serverpod.net (10.224.117.102) by MBX080-W4-CO-1.exch080.serverpod.net (10.224.117.101) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Fri, 27 Feb 2015 11:57:59 -0800 Received: from MBX080-W4-CO-2.exch080.serverpod.net ([10.224.117.102]) by mbx080-w4-co-2.exch080.serverpod.net ([10.224.117.102]) with mapi id 15.00.1044.021; Fri, 27 Feb 2015 11:57:58 -0800 From: Vinod Kumar Vavilapalli To: "user@hadoop.apache.org" Thread-Topic: 1 job with Input data from 2 HDFS? Thread-Index: AQHQUqFRWDJzyu9j2EmPy5WDTmFBvp0FcDOA Date: Fri, 27 Feb 2015 19:57:58 +0000 Message-ID: <117B7176-B732-4864-B798-349B10BB81FE@hortonworks.com> References: <54F08BC6.7080100@gmail.com> In-Reply-To: <54F08BC6.7080100@gmail.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [107.222.184.213] x-source-routing-agent: Processed Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org It is entirely possible. You should treat one of them as the primary inputs= through the InputFormat/Mapper and read the other as a side-input directly= by creating a client. +Vinod On Feb 27, 2015, at 7:22 AM, xeonmailinglist wr= ote: > Hi, >=20 > I would like to have a mapreduce job that reads input data from 2 HDFS. I= s this possible? >=20 > Thanks,