Return-Path: X-Original-To: apmail-hbase-user-archive@www.apache.org Delivered-To: apmail-hbase-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 10EF3983F for ; Sat, 24 Sep 2011 01:57:57 +0000 (UTC) Received: (qmail 30498 invoked by uid 500); 24 Sep 2011 01:57:54 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 30424 invoked by uid 500); 24 Sep 2011 01:57:54 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Received: (qmail 30407 invoked by uid 99); 24 Sep 2011 01:57:54 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 24 Sep 2011 01:57:54 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: local policy) Received: from [129.60.39.148] (HELO tama500.ecl.ntt.co.jp) (129.60.39.148) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 24 Sep 2011 01:57:46 +0000 Received: from mfs5.rdh.ecl.ntt.co.jp (mfs5.rdh.ecl.ntt.co.jp [129.60.39.144]) by tama500.ecl.ntt.co.jp (8.14.5/8.14.5) with ESMTP id p8O1vLCN001456; Sat, 24 Sep 2011 10:57:21 +0900 (JST) Received: from mfs5.rdh.ecl.ntt.co.jp (localhost [127.0.0.1]) by mfs5.rdh.ecl.ntt.co.jp (Postfix) with ESMTP id DB0176D80; Sat, 24 Sep 2011 10:57:21 +0900 (JST) Received: from dmailsv1.y.ecl.ntt.co.jp (dmailsv1.y.ecl.ntt.co.jp [129.60.53.14]) by mfs5.rdh.ecl.ntt.co.jp (Postfix) with ESMTP id D514B6D75; Sat, 24 Sep 2011 10:57:21 +0900 (JST) Received: from mailsv14.y.ecl.ntt.co.jp by dmailsv1.y.ecl.ntt.co.jp (8.14.4/dmailsv1-2.1) with ESMTP id p8O1vLB4004017; Sat, 24 Sep 2011 10:57:21 +0900 (JST) Received: from localhost by mailsv14.y.ecl.ntt.co.jp (8.14.4/Lab-1.9) with ESMTP id p8O1vL1c025950; Sat, 24 Sep 2011 10:57:21 +0900 (JST) Message-ID: <4E7D386C.6030109@lab.ntt.co.jp> Date: Sat, 24 Sep 2011 10:54:52 +0900 From: OZAWA Tsuyoshi User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:6.0.2) Gecko/20110902 Thunderbird/6.0.2 MIME-Version: 1.0 To: user@zookeeper.apache.org CC: Edward Capriolo , user@hbase.apache.org, MORITA Kazutaka Subject: Re: [announce] Accord: A high-performance coordination service for write-intensive workloads References: <4E7C9640.8080808@lab.ntt.co.jp> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org Cages is the library on the top of ZooKeeper. Accord provides coordination service like ZooKeeper. Thus, Cage-like system can be implemented on the top of Accord. (2011/09/24 8:38), Edward Capriolo wrote: > The cages library http://code.google.com/p/cages/ seems to be similar. > > On Fri, Sep 23, 2011 at 4:52 PM, Ted Dunning wrote: > >> This is not correct. You can mix and match reads, writes and version >> checks >> in a multi. >> >> 2011/9/23 OZAWA Tsuyoshi >> >>> - Limited Transaction APIs. ZK can only issue write operations (write, >>> del) in a transaction(multi-update). >>> >> >