Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 95465 invoked from network); 9 Jun 2010 21:36:03 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 9 Jun 2010 21:36:03 -0000 Received: (qmail 83495 invoked by uid 500); 9 Jun 2010 21:36:02 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 83477 invoked by uid 500); 9 Jun 2010 21:36:02 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 83469 invoked by uid 99); 9 Jun 2010 21:36:02 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 09 Jun 2010 21:36:02 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of ned.wolpert@imemories.com designates 74.125.82.44 as permitted sender) Received: from [74.125.82.44] (HELO mail-ww0-f44.google.com) (74.125.82.44) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 09 Jun 2010 21:35:56 +0000 Received: by wwc33 with SMTP id 33so1869253wwc.31 for ; Wed, 09 Jun 2010 14:35:35 -0700 (PDT) MIME-Version: 1.0 Received: by 10.216.187.204 with SMTP id y54mr5545300wem.1.1276119335518; Wed, 09 Jun 2010 14:35:35 -0700 (PDT) Received: by 10.216.24.212 with HTTP; Wed, 9 Jun 2010 14:35:35 -0700 (PDT) In-Reply-To: <0F7B16DC-B4A1-4CF4-A3AA-1C4E92BC333A@gmail.com> References: <0F7B16DC-B4A1-4CF4-A3AA-1C4E92BC333A@gmail.com> Date: Wed, 9 Jun 2010 14:35:35 -0700 Message-ID: Subject: Re: http://voltdb.com/ ? From: Ned Wolpert To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=0016e6541d6caf439604889fafd9 X-Virus-Checked: Checked by ClamAV on apache.org --0016e6541d6caf439604889fafd9 Content-Type: text/plain; charset=ISO-8859-1 As far as finding its competitors go; If you need acid compliance, Cassandra isn't in the list. If you need 50TB of data, is VoltDB in the list? On Wed, Jun 9, 2010 at 2:30 PM, Charles Woerner / IMAP < charleswoerner@gmail.com> wrote: > I would disagree with that assessment. My take is that Voltdb is a high > throughput, fault tolerant transaction processing db as opposed to a caching > system or key value store. It's easy to get hung up on the in-memory nature > of it but I believe that it is both fault tolerant through redundant copies > of the data and fully acid compliant. > > -- > Thanks, > > Charles Woerner > > On Jun 9, 2010, at 12:09 PM, AJ Slater wrote: > > Its proper competitors are stuff like redis and memcached. > > On Fri, Jun 4, 2010 at 8:19 AM, Jones, Nick < > nick.jones@amd.com> wrote: > >> I saw a tweet about claiming far better performance to Cassandra. After >> following up, I found out it requires the entire DB to reside in memory >> across the nodes. >> >> >> >> *Nick Jones* >> >> >> >> *From:* Denis Haskin [mailto: >> denis@haskinferguson.net] >> *Sent:* Friday, June 04, 2010 10:17 AM >> *To:* user >> *Subject:* http://voltdb.com/ ? >> >> >> >> Anybody looked at VoltDB? I haven't dug into it, but curious about it. >> >> >> dwh >> > > -- Virtually, Ned Wolpert "Settle thy studies, Faustus, and begin..." --Marlowe --0016e6541d6caf439604889fafd9 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable As far as finding its=A0competitors go;=A0If you need acid compliance, Cass= andra isn't in the list. If you need 50TB of data, is VoltDB in the lis= t?

On Wed, Jun 9, 2010 at 2:30 PM, Charle= s Woerner / IMAP <charleswoerner@gmail.com> wrote:
I would disag= ree with that assessment. =A0My take is that Voltdb is a high throughput, f= ault tolerant transaction processing db as opposed to a caching system or k= ey value store. =A0It's easy to get hung up on the in-memory nature of = it but I believe that it is both fault tolerant through redundant copies of= the data and fully acid compliant.

--
Thanks,

Charles Woerner

On Jun 9, 2010, at 12:09 PM, AJ Slater <aj@zuno.com> wrote:
Its proper competitors are = stuff like redis and memcached.

On Fri, J= un 4, 2010 at 8:19 AM, Jones, Nick <nick.jones@amd.com> wrote:

I saw a tweet about claiming far better performance to Cassandra.=A0= After following up, I found out it requires the entire DB to reside in mem= ory across the nodes.

=A0

Nick Jones

=A0

From: Denis Haskin [mailto:denis@haskinferguson.net] Sent: Friday, June 04, 2010 10:17 AM
To: user
Subjec= t: http://voltdb.com/ ?

<= p class=3D"MsoNormal"> =A0

Anybody looked at VoltDB? =A0I haven't dug into it, but curious about i= t.


dwh





-- Virtually, Ned Wolpert

"Settle thy studies, Faustus, and begi= n..." =A0 --Marlowe
--0016e6541d6caf439604889fafd9--