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From indika kumara <indika.k...@gmail.com>
Subject Re: Multi-tenancy, and authentication and authorization
Date Fri, 07 Jan 2011 04:08:22 GMT
Thank you very much Brandon!

On Fri, Jan 7, 2011 at 12:40 AM, Brandon Williams <driftx@gmail.com> wrote:

> On Thu, Jan 6, 2011 at 12:33 PM, indika kumara <indika.kuma@gmail.com
> >wrote:
>
> > Hi Brandon,
> >
> > I would like you feedback on my two ideas for implementing mufti tenancy
> > with the existing implementation.  Would those be possible to implement?
> >
> > Thanks,
> >
> > Indika
> >
> > >>>>> Two vague ideas: (1) qualified keyspaces (by the tenet domain)
(2)
> > multiple Cassandra storage configurations in a single node (one per
> > tenant).
> > For both options, the resource hierarchy would be /cassandra/
> > <cluster_name>/<tenant name (domain)>/keyspaces/<ks_name>/
> >
>
> (1) has the problem of multiple memtables (a large amount just isn't viable
> right now.)  (2) more or less has the same problem, but in JVM instances.
>
> I would suggest a) not trying to offer cassandra itself, and instead build
> a
> service that uses cassandra under the hood, and b) splitting up tenants in
> this layer.
>
> -Brandon
>

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