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 DE3A1914E for ; Mon, 13 Feb 2012 22:08:19 +0000 (UTC) Received: (qmail 97369 invoked by uid 500); 13 Feb 2012 22:08:19 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 97318 invoked by uid 500); 13 Feb 2012 22:08:18 -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 97310 invoked by uid 99); 13 Feb 2012 22:08:18 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 13 Feb 2012 22:08:18 +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 (nike.apache.org: domain of yuzhihong@gmail.com designates 209.85.212.169 as permitted sender) Received: from [209.85.212.169] (HELO mail-wi0-f169.google.com) (209.85.212.169) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 13 Feb 2012 22:08:11 +0000 Received: by wibhj13 with SMTP id hj13so4942833wib.14 for ; Mon, 13 Feb 2012 14:07:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=MoZBkrZbt276pMCQZTNd4SQASw0glfhDIFDkeftfOy8=; b=P9CLjmMBV0XWKXLL/rUVc6KTGiz50IIZJTyo9p4mKZVT8DVxhjQrUgREX4GHR2yNCt fvGBDhytlX6RA9Zos2YnwIJAgcuaHIKbH8eZmgWn2Uvp9OjJR7iSKZfx5KW+UuBitZek PWB/cFk9S4EQnf8wbqszUkY1QqbzQk8hq2BnM= MIME-Version: 1.0 Received: by 10.216.135.138 with SMTP id u10mr5271947wei.43.1329170871258; Mon, 13 Feb 2012 14:07:51 -0800 (PST) Received: by 10.216.166.72 with HTTP; Mon, 13 Feb 2012 14:07:51 -0800 (PST) In-Reply-To: References: Date: Mon, 13 Feb 2012 14:07:51 -0800 Message-ID: Subject: Re: HBase wire compatibility From: Ted Yu To: dev@hbase.apache.org Content-Type: multipart/alternative; boundary=0016e6de04c5a08dcc04b8dfb5bc X-Virus-Checked: Checked by ClamAV on apache.org --0016e6de04c5a08dcc04b8dfb5bc Content-Type: text/plain; charset=ISO-8859-1 HADOOP-7379 was marked resolved for 0.23 Does this imply that hadoop 0.23 or above must be used ? If so, we'd better state that on the wiki. On Mon, Feb 13, 2012 at 2:04 PM, Jimmy Xiang wrote: > Sure. I will add that. To me, HBASE-5306 is more about the RPC engine. > It can evolve in parallel since the current HBase RPC > can support PB already due to > HADOOP-7379 > > On Mon, Feb 13, 2012 at 1:23 PM, Ted Yu wrote: > > > It's the first bullet under Phase I. > > > > Can you mention HBASE-5306 there ? > > > > On Mon, Feb 13, 2012 at 1:18 PM, Ted Yu wrote: > > > > > What's the role of HBASE-5306 in your proposal ? > > > > > > Thanks > > > > > > > > > On Mon, Feb 13, 2012 at 1:02 PM, Jimmy Xiang > > wrote: > > > > > >> I posted the proposal on wiki: > > >> > > >> http://wiki.apache.org/hadoop/Hbase/HBaseWireCompatibility > > >> > > >> Thanks, > > >> Jimmy > > >> > > >> On Mon, Feb 13, 2012 at 11:03 AM, Ted Yu wrote: > > >> > > >> > Can you post on wiki ? > > >> > > > >> > Attachment stripped. > > >> > > > >> > On Mon, Feb 13, 2012 at 11:01 AM, Jimmy Xiang > > >> wrote: > > >> > > > >> > > Hello, > > >> > > > > >> > > As HBase installation base is getting bigger, we are ready to work > > on > > >> the > > >> > > wire compatibility issue. > > >> > > The goal is to make HBase easier for operators to upgrade, while > it > > is > > >> > > also easier for developers to > > >> > > enhance, re-architect if necessary. > > >> > > > > >> > > The attached is a proposal we came up. We'd like to start with > two > > >> > phases: > > >> > > > > >> > > Phase 1: Compatibility between client applications and HBase > > clusters > > >> > > Phase 2: HBase cluster rolling upgrade within same major version > > >> > > > > >> > > Could you please review? > > >> > > > > >> > > Thanks, > > >> > > Jimmy > > >> > > > > >> > > > >> > > > > > > > > > --0016e6de04c5a08dcc04b8dfb5bc--