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From Ben Standefer <>
Subject Re: Cassandra in the cloud
Date Thu, 03 Jun 2010 18:29:34 GMT
We're using Cassandra on AWS at SimpleGeo.  We software RAID 0 stripe
the ephemeral drives to achieve better I/O and have machines in
multiple Availability Zones with a custom EndPointSnitch that
replicates the data between AZs for high availability (to be
open-sourced/contributed at some point).

Using XFS as described here
also makes it very easy to snapshot your cluster to S3.

We've had no real problems with EC2 and Cassandra, it's been great.

-Ben Standefer

On Thu, Jun 3, 2010 at 11:51 AM, Eric Evans <> wrote:
> On Thu, 2010-06-03 at 11:29 +0300, David Boxenhorn wrote:
>> We want to try out Cassandra in the cloud. Any recommendations?
>> Comments?
>> Should we use Amazon? Rackspace? Something else?
> I personally haven't used Cassandra on EC2, but others have reported
> significantly better disk IO, (and hence, better performance), with
> Rackspace's Cloud Servers.
> Full disclosure though, I work for Rackspace. :)
> --
> Eric Evans

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