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 4F1C510E90 for ; Thu, 13 Jun 2013 03:35:37 +0000 (UTC) Received: (qmail 78842 invoked by uid 500); 13 Jun 2013 03:35:29 -0000 Delivered-To: apmail-hadoop-user-archive@hadoop.apache.org Received: (qmail 78738 invoked by uid 500); 13 Jun 2013 03:35:27 -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 78728 invoked by uid 99); 13 Jun 2013 03:35:24 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 13 Jun 2013 03:35:24 +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 (athena.apache.org: domain of lin.yang.jason@gmail.com designates 209.85.128.171 as permitted sender) Received: from [209.85.128.171] (HELO mail-ve0-f171.google.com) (209.85.128.171) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 13 Jun 2013 03:35:19 +0000 Received: by mail-ve0-f171.google.com with SMTP id b10so7254910vea.16 for ; Wed, 12 Jun 2013 20:34:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=WOYrD72LussResNpCmSJE68FWHuBzi/QLK/mCBC/FHE=; b=lvavekBrie/RAzQxETggdMiVYTgNqZNKojsqz811guKuCQUrpRX0ek4cVlqS7iDnvh UveA8Mv+HhaKGbuMQJYGSdXPmNVqoZGKAcfjLbt0US4PA5vmN6SFsqXD2ZtF3TYjfy9+ lNKHCVDRmv/WH6o6mKLdAZ3y/rGLUy1BBRpf5jMXcv9IhNA7kRR937BezZdIRDtxgVvI 8fjtXEd28099siLgm7Bpw+z0JZGJgC8xHNmmjpTP7ACYGaHJOsm/eVYemD1TXjXLAYdH YSVo0O0r8Gk3lgEb4cSC6fn19gC+XPzIyCAs8zQhdf+KUXXkkXv6Po9S06TLi6uhkE+9 JeTA== X-Received: by 10.52.65.38 with SMTP id u6mr9131034vds.59.1371094498595; Wed, 12 Jun 2013 20:34:58 -0700 (PDT) MIME-Version: 1.0 Received: by 10.220.150.73 with HTTP; Wed, 12 Jun 2013 20:34:38 -0700 (PDT) From: Lin Yang Date: Thu, 13 Jun 2013 11:34:38 +0800 Message-ID: Subject: Compatibility of Hadoop 0.20.x and hadoop 1.0.3 To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=20cf3071ca888adb8904df00d0bd X-Virus-Checked: Checked by ClamAV on apache.org --20cf3071ca888adb8904df00d0bd Content-Type: text/plain; charset=ISO-8859-1 Hi, all, I was wondering could an application written with hadoop 0.20.3 API run on a hadoop 1.0.3 cluster? If not, is there any way to run this application on hadoop 1.0.3 instead of re-writing all the code?? -- Lin Yang --20cf3071ca888adb8904df00d0bd Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi, all,

I was wondering could an application written wi= th hadoop 0.20.3 API run on a hadoop 1.0.3 cluster?

If not, is there any way to run this application on hadoop 1.0.3 instead = of re-writing all the code??

--
Lin Yang
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