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From "Hiller, Dean" <Dean.Hil...@nrel.gov>
Subject Re: Cluster per Application vs. Multi-Application Clusters
Date Wed, 22 Aug 2012 12:25:18 GMT
Just an opinion here as we are having to do this ourselves loading tons of researchers datasets
into one clusters.  We are going the path of one keyspace as it makes it easier if you ever
want to mine the data so you don't have to keep building different clients for another keyspace.
 We ended up adding our own security layer as well so researchers can expose their datasets
to other researchers and once exposed, other researchers can join that data with their existing
data.

This of course is just one use case, but if 10 applications use cassandra, you still may find
a benefit in having an 11th data mining app look at the data from all 10 apps.

Later,
Dean

playOrm Developer

From: Ersin Er <ersin.er@gmail.com<mailto:ersin.er@gmail.com>>
Reply-To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" <user@cassandra.apache.org<mailto:user@cassandra.apache.org>>
Date: Wednesday, August 22, 2012 12:44 AM
To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" <user@cassandra.apache.org<mailto:user@cassandra.apache.org>>
Subject: Cluster per Application vs. Multi-Application Clusters

Hi all,

What are the advantages of allocating a cluster for a single application vs running multiple
applications on the same cassandra cluster? Is any of the models suggested over the other?

Thanks.

--
Ersin Er

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