FYI - I got this info recently
> 1. Unicluster uses an enhanced (by us) group communications> protocol
> between the controllers that provides up to 100 times> better throughput than
> Sequoia.> 2. Unicluster provides some "database-specific" SQL dialect>
> parsing that would work closely to the designated database, whereas> Sequoia
> only supports ANSI SQL (which is an open subset).> 3. Unicluster provides a
> database-specific JDBC Extension that has> more rich functionality to the
> targeted database.> 4. Unicluster has much more efficient administrative
> support5, and> will get significantly more easy to use with our new GUI
> tools that> will be coming out in the August 2008 time frame.> 5.
> Unicluster has add-on scripts and procedures to manage> split-brain
> conditions, integrate with monitoring, and perform> scheduled backups to name
> just a few...> 6. Unicluster goes through an "enterprise-class" Quality
> Assurance> process, because it is the product that is specifically targeted
> to> use with true business-critical, high availability production>
> applications.> 7. Unicluster is fully supported by Continuent, with
> regular> releases, fixes, patches, updates, etc.... Whereas Sequoia is open>
> source, and is not supported by Continuent's technical support team.> 8.
> Continuent offers many professional installation,> configuration, and other
> services to Unicluster clients, whereas we> are unable to offer such services
> today for Sequoia users.
> Date: Thu, 24 Jul 2008 11:21:42 -0400> From: [EMAIL PROTECTED]> To:
> [email protected]> Subject: Re: [Sequoia] few non functional
> clarifications> > Hi Jana,> > > 1. Are there any performance benchmarks that
> have been carried out> > on databases like MySQL ?> >> In the early days of
> C-JDBC (http://c-jdbc.objectweb.org/, Sequoia is > the continuation of
> C-JDBC) I published some TPC-W benchmark results > (see >
> http://c-jdbc.objectweb.org/current/doc/C-JDBC_Flexible_Database_Clustering_Middleware.pdf)>
> I don't think any new results have been published since then.> >> > 1. Are
> there any production environments under which "Sequoia" has> > been already
> put into User ?> >> If the question is whether Sequoia has been used in
> production, the > answer is yes. If you are looking for names, I cannot
> disclose the names > of people I have been consulting for and usually few
> people are willing > to communicate that on the mailing list once they have
> their system up > and running (they might not read the mailing list at all
> after it's > operational!).> >> > 1. Is Continuent's current commercial
> offering bases its platform> > on Sequoia?> >> Yes. uni/cluster is basically
> a full Sequoia with a proprietary group > communication and few proprietary
> add-ons for database specific backups, > SQL dialect issues and I think more
> recently an administration console.> > Hope this helps,> Emmanuel> > -- >
> Emmanuel Cecchet> FTO @ Frog Thinker > Open Source Development & Consulting>
> --> Web: http://www.frogthinker.org> email: [EMAIL PROTECTED]> Skype:
> emmanuel_cecchet> > _______________________________________________> Sequoia
> mailing list> [email protected]>
> https://forge.continuent.org/mailman/listinfo/sequoia
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