Return-Path: Delivered-To: apmail-hadoop-hbase-dev-archive@minotaur.apache.org Received: (qmail 39053 invoked from network); 18 Dec 2009 18:23:30 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 18 Dec 2009 18:23:30 -0000 Received: (qmail 34804 invoked by uid 500); 18 Dec 2009 18:23:29 -0000 Delivered-To: apmail-hadoop-hbase-dev-archive@hadoop.apache.org Received: (qmail 34777 invoked by uid 500); 18 Dec 2009 18:23:29 -0000 Mailing-List: contact hbase-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hbase-dev@hadoop.apache.org Delivered-To: mailing list hbase-dev@hadoop.apache.org Received: (qmail 34750 invoked by uid 99); 18 Dec 2009 18:23:29 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 18 Dec 2009 18:23:29 +0000 X-ASF-Spam-Status: No, hits=1.2 required=10.0 tests=SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [76.13.13.73] (HELO n3b.bullet.mail.ac4.yahoo.com) (76.13.13.73) by apache.org (qpsmtpd/0.29) with SMTP; Fri, 18 Dec 2009 18:23:19 +0000 Received: from [76.13.13.25] by n3.bullet.mail.ac4.yahoo.com with NNFMP; 18 Dec 2009 18:22:58 -0000 Received: from [76.13.10.168] by t4.bullet.mail.ac4.yahoo.com with NNFMP; 18 Dec 2009 18:22:58 -0000 Received: from [127.0.0.1] by omp109.mail.ac4.yahoo.com with NNFMP; 18 Dec 2009 18:22:58 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 214958.1354.bm@omp109.mail.ac4.yahoo.com Received: (qmail 88836 invoked by uid 60001); 18 Dec 2009 18:22:58 -0000 Message-ID: <970828.86225.qm@web65516.mail.ac4.yahoo.com> X-YMail-OSG: VaqwZ1gVM1mZpceNjv3qQkaymsZGrAwSaYeTG6RuZQXa62Kg_ltw1Z4s68fYBg.4CFqWevN5HhpcHkfW.J3Zw0WCs9Cq2f2dux9MIeFRIGjHruAx0zyHN4nhjkddMeeizrDJ2nSqwBlWgt4Q9sLmyEhfglWtHjTcKij9c_.5xdWpYz1bw142760ka9d8e_VoEKW0vMPxyWOAYI8y1VpLSjYXrD677Ok1W2lEnVjrf9cgoRbil6XPETlBNYgpgYM1L8cQ9Dxf487NzWAVU6wWhnd5rlph4wGS0ztCm3GLyPsFVEQNffiZSIm4Bz7IsAgLGRzhII.4GieBwRV4JCnX6HRMGHnuCQwGEZkMVsSQAFtZM6zPbY5BGJGkKfNOZ417ijAqTwQmfUam2lDzd_ZGzSwFzpaa9CVv8WfdcuKrXKD5sWL.1DEGVemT Received: from [68.123.237.158] by web65516.mail.ac4.yahoo.com via HTTP; Fri, 18 Dec 2009 10:22:57 PST X-RocketYMMF: apurtell X-Mailer: YahooMailRC/240.3 YahooMailWebService/0.8.100.260964 References: <7c962aed0912152032h3bf8a3bdj4faa23c152a060db@mail.gmail.com> <256104.30880.qm@web65516.mail.ac4.yahoo.com> Date: Fri, 18 Dec 2009 10:22:57 -0800 (PST) From: Andrew Purtell Subject: Re: Avro for WAL serialization format? To: hbase-dev@hadoop.apache.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Virus-Checked: Checked by ClamAV on apache.org > From: Jeff Hammerbacher > The "last previous value" scheme is outside the scope of Avro at this > point. That's fine, I'm not pursuing any idea about interleaving audit records with edits in the WAL anyway. > Also, FWIW, we've filed a ticket to use Avro serialization for the HDFS > edits log at https://issues.apache.org/jira/browse/HDFS-842. https://issues.apache.org/jira/browse/HBASE-2055 - Andy