Return-Path: X-Original-To: apmail-hadoop-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-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 CC5E0D392 for ; Wed, 14 Nov 2012 17:57:02 +0000 (UTC) Received: (qmail 16197 invoked by uid 500); 14 Nov 2012 17:56:58 -0000 Delivered-To: apmail-hadoop-user-archive@hadoop.apache.org Received: (qmail 16062 invoked by uid 500); 14 Nov 2012 17:56:57 -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 16053 invoked by uid 99); 14 Nov 2012 17:56:57 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 14 Nov 2012 17:56:57 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of gyang@millennialmedia.com designates 206.225.164.217 as permitted sender) Received: from [206.225.164.217] (HELO hub021-nj-2.exch021.serverdata.net) (206.225.164.217) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 14 Nov 2012 17:56:50 +0000 Received: from MBX021-E3-NJ-2.exch021.domain.local ([10.240.4.78]) by HUB021-NJ-2.exch021.domain.local ([10.240.4.33]) with mapi id 14.02.0318.001; Wed, 14 Nov 2012 09:56:28 -0800 From: Guang Yang To: "user@hadoop.apache.org" Subject: Re: Hadoop map-side join Thread-Topic: Hadoop map-side join Thread-Index: AQHNwbuRGifTju/vyEylL+1ehr7FbJfqIZUA//+v+oA= Date: Wed, 14 Nov 2012 17:56:29 +0000 Message-ID: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [173.66.232.51] Content-Type: text/plain; charset="us-ascii" Content-ID: <516D807B7E71B44CA0F51FA3C2E20B78@exch021.domain.local> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Virus-Checked: Checked by ClamAV on apache.org Thanks for the answer, Chris. Is there a plan to make the fix available to 1.x in the near future? - Guang On 11/14/12 12:42 PM, "Chris Douglas" wrote: >See https://issues.apache.org/jira/browse/MAPREDUCE-355 (not in 1.x >series) -C > >On Tue, Nov 13, 2012 at 8:26 AM, Guang Yang >wrote: >> Hi, >> >> I'm trying to use Hadoop map-side join in my application and wondering >>if >> anybody knows if there's a way to use it with the new Hadoop API >> ("org.apache.hadoop.mapreduce.*") instead of the old Hadoop API >> ("org.apache.hadoop.mapred.*"). The input format I'm trying to use for >>the >> join is "CompositeInputFormat", which is in the old API package and >>looks >> like it expects everything (job configuration, input split, etc) to be >>from >> the old API too. This is a problem for me because I'm using the new API >>to >> create my map/reduce jobs so I can't just use "CompositeInputFormat" as >>my >> job's input format. I wonder if the only way to get the map-side join >>work >> is to use the old API to create map/reduce jobs. I appreciate any >>response >> regarding this issue. >> >> Thanks, >> Guang Yang