Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 81370 invoked from network); 8 Oct 2009 11:54:31 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 8 Oct 2009 11:54:31 -0000 Received: (qmail 39760 invoked by uid 500); 8 Oct 2009 11:54:31 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 39740 invoked by uid 500); 8 Oct 2009 11:54:31 -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 39731 invoked by uid 99); 8 Oct 2009 11:54:31 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 08 Oct 2009 11:54:31 +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 [209.85.216.187] (HELO mail-px0-f187.google.com) (209.85.216.187) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 08 Oct 2009 11:54:19 +0000 Received: by pxi17 with SMTP id 17so7328803pxi.21 for ; Thu, 08 Oct 2009 04:53:58 -0700 (PDT) MIME-Version: 1.0 Received: by 10.141.41.11 with SMTP id t11mr144291rvj.51.1255002838766; Thu, 08 Oct 2009 04:53:58 -0700 (PDT) In-Reply-To: References: Date: Thu, 8 Oct 2009 13:53:58 +0200 Message-ID: <8969538b0910080453u52a46bcek38454d658ea821df@mail.gmail.com> Subject: Re: Cassandra and Oracle Coherence Comparison From: =?UTF-8?B?Sm9uYXMgQm9uw6ly?= To: cassandra-user@incubator.apache.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org 2009/10/5 Michael Greene : > Briefly > * Coherence is in-memory, Cassandra is persisted Coherence can be persistent. > * Coherence has a transactional model, Cassandra is eventually consistent > * Coherence has specially written adapters for different > environments/languages, Cassandra supports most languages through > Thrift > * They both are distributed repositories of data written in Java > > Coherence seems to be in the same write-through cache / in-memory DB > space as Terracotta or Gigaspaces, and not the distributed database > space like Cassandra. =C2=A0It might be interesting to evaluate Coherence= 's > clustering mechanisms, but I couldn't easily find documentation. > > Michael > > On Mon, Oct 5, 2009 at 7:41 AM, Evren Guden wrote: >> Hi, >> What are the differences and similarities between=C2=A0Cassandra=C2=A0an= d oracle >> coherence? >> Thanks in advance. >> Sincerely, >> Evren >> >> > --=20 Jonas Bon=C3=A9r twitter: @jboner blog: http://jonasboner.com work: http://crisp.se work: http://scalablesolutions.se code: http://github.com/jboner code: http://akkasource.org