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List:       cassandra-user
Subject:    Re: How to setup a big shared files system
From:       ArtemGr <artemciy () gmail ! com>
Date:       2010-12-28 15:53:52
Message-ID: loom.20101228T164508-97 () post ! gmane ! org
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nicolas lattuada <nicolaslattuada <at> hotmail.fr> writes:
> Of course the data cannot stand on a single server,
> so what would you recomend for these needs?

Run multiple Cassandra instances, one instance per server.

> Is it possible to have multiple cassandras instances
> accessing the same index over a shared file cluster,
> or is it better to do partitionning?

AFAIK, it should be possible
to run multiple Cassandra instances over a POSIX-compatible cluster filesystem,
but this would not be efficient.

> Is  hardware for such a setup expensive?

Take, for example, server4you servers
(http://www.server4you.com/root-server/ecoserver.php)
Your 100 000 Giga bytes / 320 gb * 2 (replication factor) * 1.5 (overhead)
= a thouthand servers? 39000$ / month?




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