Return-Path: X-Original-To: apmail-hbase-dev-archive@www.apache.org Delivered-To: apmail-hbase-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 1347417F97 for ; Fri, 31 Oct 2014 18:04:55 +0000 (UTC) Received: (qmail 57462 invoked by uid 500); 31 Oct 2014 18:04:54 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 57378 invoked by uid 500); 31 Oct 2014 18:04:54 -0000 Mailing-List: contact dev-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hbase.apache.org Delivered-To: mailing list dev@hbase.apache.org Received: (qmail 57366 invoked by uid 99); 31 Oct 2014 18:04:54 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 31 Oct 2014 18:04:54 +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 (nike.apache.org: local policy) Received: from [69.252.207.42] (HELO resqmta-ch2-10v.sys.comcast.net) (69.252.207.42) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 31 Oct 2014 18:04:26 +0000 Received: from resomta-ch2-16v.sys.comcast.net ([69.252.207.112]) by resqmta-ch2-10v.sys.comcast.net with comcast id 9u2P1p0042S2Q5R01u3Qh5; Fri, 31 Oct 2014 18:03:24 +0000 Received: from localhost ([12.250.117.158]) by resomta-ch2-16v.sys.comcast.net with comcast id 9u1F1p00T3R814C01u1JsG; Fri, 31 Oct 2014 18:01:22 +0000 Date: Fri, 31 Oct 2014 11:01:15 -0700 From: Konstantin Boudnik To: dev@hbase.apache.org Subject: Re: [DISCUSSION] Dropping support for Hadoop 1.0 in 0.98 Message-ID: <20141031180114.GG9693@tcos> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Organization: It's something of 'Cos X-PGP-Key: http://www.boudnik.org/~cos/pubkey.asc User-Agent: Mutt/1.5.21 (2010-09-15) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20140121; t=1414778604; bh=m3k+OBQrMghn9aeEArl1POPFJv4pQ9Ck13HoDgMB9RI=; h=Received:Received:Date:From:To:Subject:Message-ID:MIME-Version: Content-Type; b=EhFrFoJy5c9o6OTb1JSzZvLiV/MBh5RekytpmApGqykrZ6b6Q+DBr2c9eyC8Fit2i 9pGiW4e0svxH1jClqDlXk2dq1fRNpIKPMzmxxDbvvT409EuSHTH9dt4utXu3O3NtiS w4OYJy6RuMDBLJUXiqDWxXeIgfejTRnDoG64kub0P3rtqIqMFxSc7xLti4o+W686zX FmtQQamgJ71Kn3kz1NumjxHo6jOsnf0LRLxy2mCAPnFeQepVJVXod0Ng34aCQtzVlu Ox9RQzXy2bakbytPePGOUK5lPQ524Jrmlp3/AmyhN322YP9QMRI9/dnsunyA2r2Xqb ibInBWzj+VJ3Q== X-Virus-Checked: Checked by ClamAV on apache.org Absolutely makes sense! it will make a lot of things easier, really. The infamous need for classifiers will finally go away! On Fri, Oct 31, 2014 at 10:56AM, Andrew Purtell wrote: > Hadoop 1.0 is an ancient, and I believe dead, version that certainly nobody > should use today. We have a chronic problem on the 0.98 branch with changes > tested on only Hadoop 2 later are found to break builds against Hadoop 1, > since only 0.94 and 0.98 still support Hadoop 1.x. See > https://issues.apache.org/jira/browse/HBASE-12397 as an example. This issue > also illustrates that dropping support for 1.0 while retaining support for > 1.1 and later versions of Hadoop 1.x can reduce cross-version compatibility > complexity for at least the API involved in that issue, and certainly > others. This in my opinion is a good thing. > > > -- > Best regards, > > - Andy > > Problems worthy of attack prove their worth by hitting back. - Piet Hein > (via Tom White)