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 4D36E90CE for ; Tue, 14 Feb 2012 01:11:19 +0000 (UTC) Received: (qmail 55366 invoked by uid 500); 14 Feb 2012 01:11:18 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 55224 invoked by uid 500); 14 Feb 2012 01:11:17 -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 55216 invoked by uid 99); 14 Feb 2012 01:11:17 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 14 Feb 2012 01:11:17 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of saint.ack@gmail.com designates 209.85.214.169 as permitted sender) Received: from [209.85.214.169] (HELO mail-tul01m020-f169.google.com) (209.85.214.169) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 14 Feb 2012 01:11:12 +0000 Received: by obbta7 with SMTP id ta7so10143207obb.14 for ; Mon, 13 Feb 2012 17:10:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type :content-transfer-encoding; bh=G974wifHeKhz0xQJHGVU5F0xo4JkWFYIOTsO3At+Udc=; b=t/aUnPBsSJzqT8h7jAb6ZDK7jEZLK7xYeOmT10cJ8Xv7uCAVgCXO2u5EudfTDynJFG 3wIfczHJ/OLKxuwj+3/WZwRe08CFbgWUSS29o/ordJ+DIxvTk/gv9hxWYo7J+epCxzTg 5kjEZKeRjwEQd+L8cvHDHENXesd7pm4aPEloQ= MIME-Version: 1.0 Received: by 10.182.0.106 with SMTP id 10mr13290335obd.72.1329181852088; Mon, 13 Feb 2012 17:10:52 -0800 (PST) Sender: saint.ack@gmail.com Received: by 10.182.19.35 with HTTP; Mon, 13 Feb 2012 17:10:52 -0800 (PST) In-Reply-To: References: Date: Mon, 13 Feb 2012 17:10:52 -0800 X-Google-Sender-Auth: 1gBu0SA8kGwakwRGfKKCI5R9X60 Message-ID: Subject: Re: HBase wire compatibility From: Stack To: dev@hbase.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On Mon, Feb 13, 2012 at 4:58 PM, Jimmy Xiang wrote: > It is a good idea to swat team it or hackathon. > > Little code has been written at hackathons in the past so it would need to have a bit of a different format. Or we just divvy up the work (I could do the migration of .META. and -ROOT- to pb and of zk persistence to pb if wanted). > We'd like to start with phase 1 at first, then phase 2. > > The purpose is to reduce/eliminate the operation interruption. =A0We need= to > start from somewhere. > Agree. Phase 2 seems just as bad as a disruption as phase 1 or am I reading it wrong; i.e. its another singularity that can't be crossed w/o a restart of all servers. I suppose I'm wondering if we think we can nail phase 1 and phase 2 within a single release cycle; then the two singularities are experienced as one during a single upgrade. St.Ack