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From Simon Smith <>
Subject Re: Cassandra users survey
Date Fri, 20 Nov 2009 21:51:32 GMT
The company I'm with is still small and in the early stages, but we're
planning on using Cassandra for user profile information (in
development right now), and possibly other uses later on.  We
evaluated CouchDB and Voldermort, and both of those were great as well
- for CouchDB, I really liked Futon but had some stability issues and
didn't like the manual replication.  Voldermort may be great, but I
couldn't figure out the API (which probably says more about me than

One of the reasons we chose Cassandra is because we feel like it is
being used in other situations which required scaling.  I'm looking
forward to v0.5 because of load-balancing and for better support for
the situation where a node is lost permanently.

I'm very pleased with the high level of support for Cassandra, both on
this mailing list and on IRC.


On Fri, Nov 20, 2009 at 4:17 PM, Jonathan Ellis <> wrote:
> Hi all,
> I'd love to get a better feel for who is using Cassandra and what kind
> of applications it is seeing.  If you are using Cassandra, could you
> share what you're using it for and what stage you are at with it
> (evaluation / testing / production)? Also, what alternatives you
> evaluated/are evaluating would be useful.  Finally, feel free to throw
> in "I'd love to use Cassandra if only it did X" wishes. :)
> I can start: Rackspace is using Cassandra for stats collection
> (testing, almost production) and as a backend for the Mail & Apps
> division (early testing).  We evaluated HBase, Hypertable, dynomite,
> and Voldemort as well.
> Thanks,
> -Jonathan
> (If you're in stealth mode or don't want to say anything in public,
> feel free to reply to me privately and I will keep it off the record.)

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