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 1058F8871 for ; Fri, 19 Aug 2011 00:54:08 +0000 (UTC) Received: (qmail 64254 invoked by uid 500); 19 Aug 2011 00:54:07 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 64159 invoked by uid 500); 19 Aug 2011 00:54:06 -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 64151 invoked by uid 99); 19 Aug 2011 00:54:06 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 19 Aug 2011 00:54:06 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of yuzhihong@gmail.com designates 209.85.161.169 as permitted sender) Received: from [209.85.161.169] (HELO mail-gx0-f169.google.com) (209.85.161.169) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 19 Aug 2011 00:54:01 +0000 Received: by gxk23 with SMTP id 23so2306748gxk.14 for ; Thu, 18 Aug 2011 17:53:40 -0700 (PDT) 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 :cc:content-type; bh=tlk7R2nl2LZ/3oqEWiy7bpsRcXzzFsdJ53AgyhNMJfU=; b=KELGLE9KadnlDqDMfxlUQ4GKjgdbd+rYwY3hl25owTWzdMk67s/6GLW2UGEO13zCAK MBfcHw2JEFqoh7ip6kG1YybAerDdiknVXLO9M0lsfSqpa3C0ZCift3JH476zkU2X39wb eyl7/mlp2teo2QKTmCFtLgw5qRhwzCkAjw9EM= MIME-Version: 1.0 Received: by 10.236.197.6 with SMTP id s6mr2568951yhn.31.1313715212241; Thu, 18 Aug 2011 17:53:32 -0700 (PDT) Received: by 10.236.154.195 with HTTP; Thu, 18 Aug 2011 17:53:32 -0700 (PDT) In-Reply-To: References: Date: Thu, 18 Aug 2011 17:53:32 -0700 Message-ID: Subject: Re: HBASE-1730 and HBASE-4213 From: Ted Yu To: dev@hbase.apache.org Cc: Subbu M Iyer , nileema.shingte@gmail.com Content-Type: multipart/alternative; boundary=20cf303f6a348fcaa204aad12843 --20cf303f6a348fcaa204aad12843 Content-Type: text/plain; charset=ISO-8859-1 I prefer choice A below. Let's vote on which implementation is the better approach. My vote is for 4213. Subbu implemented hbase-451 and has deep understanding of related code. Using zookeeper to record transient state is Andy's favorite choice. Cheers On Thu, Aug 18, 2011 at 5:29 PM, Todd Lipcon wrote: > In my opinion we have three options: > > (a) have the two contributors work together on a single JIRA > (b) factor out what's common between their approaches into a new JIRA, > then let them proceed independently > or (c) let them proceed independently, and whichever one reaches a > suitable commitable state first, we go with > > If they both become committable around the same time, then we should > go to benchmarks as well as comparisons of which codebase seems more > maintainable. > > -Todd > > On Thu, Aug 18, 2011 at 4:23 PM, Ted Yu wrote: > > Hi, > > Due to lack of coordination, HBASE-1730 and HBASE-4213 try to implement > the > > same feature at roughly the same pace. > > > > I want to hear your opinion on how we should plan to move forward with > these > > two JIRAs. > > One possibility is to provide two policies, one accommodating each JIRA. > But > > that requires even more work. > > > > It would be nice if we can have some performance numbers for both > > implementations on comparable cluster(s). > > > > Cheers > > > > > > -- > Todd Lipcon > Software Engineer, Cloudera > --20cf303f6a348fcaa204aad12843--