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From aaron morton <aa...@thelastpickle.com>
Subject Re: ebs or ephemeral
Date Fri, 07 Oct 2011 08:15:43 GMT
Data Stax have pre build AMI's here http://www.datastax.com/dev/blog/setting-up-a-cassandra-cluster-with-the-datastax-ami


And an explanation of why we normally avoid ephemeral. 

Also, I would go with 6 nodes. You will then be able to handle up to 2 failed nodes. 

Hope that helps. 

-----------------
Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://www.thelastpickle.com

On 7/10/2011, at 9:11 PM, Yi Yang wrote:

> Obviously ephemeral. It has higher IO availability, will not affect your Ethernet IO
performance, and it is free (included in instance price)
> and the redundancy is provided by cassandra itself.
> 從我的 BlackBerry® 無線裝置
> 
> From: Madalina Matei <madalinaimatei@gmail.com>
> Date: Fri, 7 Oct 2011 09:02:06 +0100
> To: <user@cassandra.apache.org>
> ReplyTo: user@cassandra.apache.org
> Subject: ebs or ephemeral
> 
> Hi,
> 
>  I'm looking to deploy a 5 nodes cluster in EC2 with RF3 and QUORUM CL.
> 
>  Could you please advice me on EBS vs ephemeral storage ?
> 
> Cheers,
> Madalina


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