Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 76992 invoked from network); 3 Aug 2009 16:53:27 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 3 Aug 2009 16:53:27 -0000 Received: (qmail 31427 invoked by uid 500); 3 Aug 2009 16:53:32 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 31373 invoked by uid 500); 3 Aug 2009 16:53:31 -0000 Mailing-List: contact cassandra-user-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: cassandra-user@incubator.apache.org Delivered-To: mailing list cassandra-user@incubator.apache.org Received: (qmail 31364 invoked by uid 99); 3 Aug 2009 16:53:31 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 03 Aug 2009 16:53:31 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of mobiledreamers@gmail.com designates 209.85.210.177 as permitted sender) Received: from [209.85.210.177] (HELO mail-yx0-f177.google.com) (209.85.210.177) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 03 Aug 2009 16:53:21 +0000 Received: by yxe7 with SMTP id 7so2128938yxe.32 for ; Mon, 03 Aug 2009 09:53:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type; bh=D0FPYqyFBpPnyDc7DviCktoQuyZhx5yvIWdetUGtiSQ=; b=BmnM6R0LqJOi4SWOx/QbtoR86lVPlUwzPeydD83kP427i7qsn8vTmKdyCRWNjgxrwa xOLc8EvfZflt3zXeVP5glg3tJLcd0hVHRi9jPv8B4Uz8M4+vSAU6db5q+BGPEpzDdvvw GK6p07qXsfO6OjyHlAxy8U2jbqCFQhH4L6aEs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=b6EX69q6BRVrqx4DIXzcsmtUohJSQbfuULYYhnFB8PuW70r1LzhcFnfbUNLfqxrqxD 1wNQJM2xnx6Xefm9tKP6LiSTIDIGWYQ5u1gd2D5Q90HUY+oNcHvwLG4PhesuyGklISFq cQQQuX+PYthSdARmocqVaat5qfD3OM9Q8dmM8= MIME-Version: 1.0 Received: by 10.100.242.20 with SMTP id p20mr8381083anh.183.1249318380254; Mon, 03 Aug 2009 09:53:00 -0700 (PDT) In-Reply-To: References: <70cd74010908030823u4268c669pe70ea5797f64da8c@mail.gmail.com> Date: Mon, 3 Aug 2009 09:53:00 -0700 Message-ID: Subject: Re: MVCC From: mobiledreamers@gmail.com To: cassandra-user@incubator.apache.org Content-Type: multipart/alternative; boundary=00163691fea5443a9a04703f9a2e X-Virus-Checked: Checked by ClamAV on apache.org --00163691fea5443a9a04703f9a2e Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit I always thought cassandra had free multiple versions and we needed to manually delete the older versions On Mon, Aug 3, 2009 at 8:56 AM, Jonathan Ellis wrote: > On Mon, Aug 3, 2009 at 10:49 AM, Jun Rao wrote: > > Ivan, > > > > The original cassandra keeps multiple versions of the column data. > > No, it didn't. (It had versioning-related bugs but multiple versions > a la Bigtable was never part of the design.) > > -Jonathan > -- Bidegg worlds best auction site http://bidegg.com --00163691fea5443a9a04703f9a2e Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable I always thought cassandra had free multiple versions and we needed to manu= ally delete the older versions

On Mon, Au= g 3, 2009 at 8:56 AM, Jonathan Ellis <jbellis@gmail.com> wrote:
On Mon, Aug 3, 2009 at 10:49 AM, Jun Rao<junrao@almaden.ibm.com> wrote:
> Ivan,
>
> The original cassandra keeps multiple versions of the column data.

No, it didn't. =A0(It had versioning-related bugs but multiple ve= rsions
a la Bigtable was never part of the design.)

-Jonathan



--
Bidegg worlds be= st auction site
http://bidegg.com
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