Return-Path: X-Original-To: apmail-hadoop-general-archive@minotaur.apache.org Delivered-To: apmail-hadoop-general-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 065607708 for ; Thu, 17 Nov 2011 21:08:15 +0000 (UTC) Received: (qmail 82455 invoked by uid 500); 17 Nov 2011 21:08:13 -0000 Delivered-To: apmail-hadoop-general-archive@hadoop.apache.org Received: (qmail 82400 invoked by uid 500); 17 Nov 2011 21:08:13 -0000 Mailing-List: contact general-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: general@hadoop.apache.org Delivered-To: mailing list general@hadoop.apache.org Received: (qmail 82392 invoked by uid 99); 17 Nov 2011 21:08:13 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 17 Nov 2011 21:08:13 +0000 X-ASF-Spam-Status: No, hits=0.7 required=5.0 tests=RCVD_IN_DNSWL_NONE,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [98.139.53.196] (HELO nm11-vm0.bullet.mail.ac4.yahoo.com) (98.139.53.196) by apache.org (qpsmtpd/0.29) with SMTP; Thu, 17 Nov 2011 21:08:05 +0000 Received: from [98.139.52.190] by nm11.bullet.mail.ac4.yahoo.com with NNFMP; 17 Nov 2011 21:07:44 -0000 Received: from [98.139.52.187] by tm3.bullet.mail.ac4.yahoo.com with NNFMP; 17 Nov 2011 21:07:44 -0000 Received: from [127.0.0.1] by omp1070.mail.ac4.yahoo.com with NNFMP; 17 Nov 2011 21:07:44 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 97064.72823.bm@omp1070.mail.ac4.yahoo.com Received: (qmail 80783 invoked by uid 60001); 17 Nov 2011 21:07:44 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1321564064; bh=FZ+TohnOfbiHGmyA6bEuN1LrPlNDXdhhr8POOdAFhus=; h=X-YMail-OSG:Received:X-RocketYMMF:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=0rDInBQr6b76p3MMj/dUgmzSYUZIyK8woKJAp538Su+lE994ryHFh6XAm5vJMoMz/Ih5LTAep3Ll4ksQfGyLjCXXFLhZJfp1KKXHdDCNYTsS+J4hqVJVVmEWNXcu2LACmCtpX3arYPQu3QnPdqzFU6ZfFaCIc36xG9zApZEoJbk= X-YMail-OSG: Uju8HsMVM1kemZ2WacWixL6B79hzsx15thrG67Qz.DwIwgU mrus_1ZYAAE8KUuMs9H0vbyQyO2bpExRg2YYI2lf416OAeBE0SP4N0kd7ClW OyEpSGUXG4JocnSj2V0ou3VUsbLEo.o8zVZ1gDlG7OSaElO5biihFTccd8QL .1_bFTbaIlGACRkelRJgpPPMajFv8JXeqeW4BoR3TTA3mStx3ynqEqUventD _oKwCpMo_BpvUGrKkK_VF8wiJAbfIG6esVA6iLsc6XNEZF2vb5qE1GsOPc.i yPv7wrFVeqFa0SmbJ7R3TQfSpovcLa6FXXKgBxBEPdXKQWwugz2EUueKTckZ ACJpXJ.RC4ZuH6aQ85r8WRUIP9wnbwzZZhVxqzdLYFSiKFLw0qi4.N9iK0II SqUXS6hyQmC1cnSeZqBgHeCylrvoHCOQLk3T3c9P7Q1eBxgxFVrwzoP2WVsI WB68q_5OC0rMg0qZc.eCpP8smtvUFFHgPQ9JLDEn3noGiwppenmbrJhwkNV1 mEdq1DGnGuI482xq5pSzkur0yyLNDwqFMeBZMPwxzeO9CC31t9QV840cg Received: from [216.207.36.222] by web65509.mail.ac4.yahoo.com via HTTP; Thu, 17 Nov 2011 13:07:43 PST X-RocketYMMF: apurtell X-Mailer: YahooMailWebService/0.8.115.325013 References: <4EC4E5DB.2060001@apache.org> <4DFFFE4B-38E1-4795-BBAA-036712DC0295@hortonworks.com> Message-ID: <1321564063.43425.YahooMailNeo@web65509.mail.ac4.yahoo.com> Date: Thu, 17 Nov 2011 13:07:43 -0800 (PST) From: Andrew Purtell Reply-To: Andrew Purtell Subject: Re: [DISCUSS] Apache Hadoop 1.0? To: "general@hadoop.apache.org" In-Reply-To: <4DFFFE4B-38E1-4795-BBAA-036712DC0295@hortonworks.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable > From: Arun C Murthy =0A=0A> Now, a downstream projec= t such as HBase, Hive or Pig isn't the 'normal =0A> end-user application'. = These projects can choose to use =0A> undocumented/non-public (e.g. Limited= Private) apis and we are committed to =0A> working with them to ensure a sm= ooth transition.=0A> =0A> I don't know which are the ones in 'every single = downstream =0A> component' - care to enumerate?=0A> =0A> The ones I'm aware= of, which have since been fixed are:=0A> https://issues.apache.org/jira/br= owse/HBASE-4510 -> =0A> https://issues.apache.org/jira/browse/HDFS-2412 (we= fixed the internal HDFS apis =0A> so that HBase can continue to use them)= =0A> https://issues.apache.org/jira/browse/PIG-2125 -> =0A> https://issues.= apache.org/jira/browse/MAPREDUCE-3138 (we fixed MR to allow apps =0A> deal = with inconsistency in 'new' MR apis which changed in 0.21).=0A> =0A> I'm no= t aware of anything else - what else do you see?=0A> =0A> As a result, the = downstream projects ensure their own end-users and applications =0A> (HBase= apps, Pig scripts, Hive queries) etc. do NOT see any incompatibilities.=0A= =0A=0AIn addition,=A0MAPREDUCE-3169. I had to pull out a bunch of HBase uni= t tests today to get 0.92 compiling on 0.23.=0A=0A=A0 =A0- Andy=0A