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Date: Mon, 5 Oct 2009 08:05:15 -0500
Message-ID: <f4d6a21a0910050605o7082a3e3ibddfc8ac64c015e3@mail.gmail.com>
Subject: Re: Cassandra and Oracle Coherence Comparison
From: Michael Greene <michael.greene@gmail.com>
To: cassandra-user@incubator.apache.org
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Briefly
* Coherence is in-memory, Cassandra is persisted
* 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.  It 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 <evrenguden@gmail.com> wrote:
> Hi,
> What are the differences and similarities between=A0Cassandra=A0and oracl=
e
> coherence?
> Thanks in advance.
> Sincerely,
> Evren
>
>