Return-Path: Delivered-To: apmail-hadoop-general-archive@minotaur.apache.org Received: (qmail 32755 invoked from network); 1 Apr 2011 18:03:53 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 1 Apr 2011 18:03:53 -0000 Received: (qmail 21908 invoked by uid 500); 1 Apr 2011 18:03:52 -0000 Delivered-To: apmail-hadoop-general-archive@hadoop.apache.org Received: (qmail 21833 invoked by uid 500); 1 Apr 2011 18:03:52 -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 Delivered-To: moderator for general@hadoop.apache.org Received: (qmail 81987 invoked by uid 99); 1 Apr 2011 17:38:24 -0000 X-ASF-Spam-Status: No, hits=-2.3 required=5.0 tests=RCVD_IN_DNSWL_MED,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of awittenauer@linkedin.com designates 69.28.149.25 as permitted sender) DomainKey-Signature: s=prod; d=linkedin.com; c=nofws; q=dns; h=X-IronPort-AV:Received:From:To:Subject:Thread-Topic: Thread-Index:Date:Message-ID:References:In-Reply-To: Accept-Language:Content-Language:X-MS-Has-Attach: X-MS-TNEF-Correlator:x-originating-ip:Content-Type: Content-ID:Content-Transfer-Encoding:MIME-Version; b=O3Ws5pG5DvFzOUDqWRD3WN0Fa1DfQN1OPMwTON/AbHLFPMVA6KpAKlx0 RY38Te8EmdwZxly0AvhFBO++DBbTPApxpAGlwUWHkWxxOG6bKptMsslMV iplabzH+v1MMLbz; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linkedin.com; i=awittenauer@linkedin.com; q=dns/txt; s=proddkim; t=1301679497; x=1333215497; h=from:sender:reply-to:subject:date:message-id:to:cc: mime-version:content-transfer-encoding:content-id: content-description:resent-date:resent-from:resent-sender: resent-to:resent-cc:resent-message-id:in-reply-to: references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:list-owner:list-archive; z=From:=20Allen=20Wittenauer=20 |Subject:=20Re:=20Proposal:=20Further=20Project=20Split(s )|Date:=20Fri,=201=20Apr=202011=2017:40:32=20+0000 |Message-ID:=20<1A2A2DF1-E442-418D-A6A4-AC214C36F213@link edin.com>|To:=20""=20|MIME-Version:=201.0 |Content-Transfer-Encoding:=20quoted-printable |Content-ID:=20<5B2C46534FDF8F4293A617DAD471BC49@linkedin .com>|In-Reply-To:=20|References:=20=0D=0A =20; bh=i3blXvL/Qyz/vWu5m2pp5ukYb+RV9EMnD3UObLsVtwk=; b=bB2RsqyFqpnLwJTm69hwv1bL/YaxZbepIzdU1UJEBY+zxKHmniIra1oG OvAiLRLYx007bGeXopAyenW0FJZcqEFcP6f+dsmYv6NDlIy4aVrZVx+yf TN5Uy5TP9+c1T/Y; X-IronPort-AV: E=Sophos;i="4.63,283,1299484800"; d="scan'208";a="21753120" From: Allen Wittenauer To: "" Subject: Re: Proposal: Further Project Split(s) Thread-Topic: Proposal: Further Project Split(s) Thread-Index: AQHL8EX7jHElUjWn+kiKhYleqOdIq5RJKlIAgACRjoA= Date: Fri, 1 Apr 2011 17:40:32 +0000 Message-ID: <1A2A2DF1-E442-418D-A6A4-AC214C36F213@linkedin.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.18.46.247] Content-Type: text/plain; charset="us-ascii" Content-ID: <5B2C46534FDF8F4293A617DAD471BC49@linkedin.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Virus-Checked: Checked by ClamAV on apache.org On Apr 1, 2011, at 1:57 AM, Chris Douglas wrote: > Experience developing Hadoop has shown that we not only need to > partition our projects for more active releases, but we also should > explore speculative project splits. For this, a Hadoop.next() project > should track the development of a project scheduler that can partition > the Hadoop subprojects, possibly running a second version of a > subproject in parallel. Downstream subprojects and TLPs automatically > accept whichever releases first as a dependency. Implementation should > combine ant, ivy, maven, and at least one legacy Hadoop build tool (to > be written). -1, until it supports eclipse.