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From Sasha Dolgy <>
Subject Re: Aamzon EC2 & Cassandra to ebs or not..
Date Wed, 09 Mar 2011 16:48:32 GMT
Hi Will,

<>If the snapshot
is written to the ephemeral storage ... there isn't a cost. (i need to
confirm that)

You can then move this to an S3 bucket with RDS if you want or full
99.999999999% redundancy and have it available to developers

This is what I had in my head....

On Wed, Mar 9, 2011 at 5:39 PM, William Oberman <>wrote:

> I thought nodetool snapshot writes the snapshot locally, requiring 2x of
> expensive storage allocation 24x7 (vs. cheap storage allocation of a ebs
> snapshot).  By that I mean EBS allocation is GB allocated per month costs at
> one rate, and EBS snapshots are delta compressed copies to S3.
> Can you point the snapshot to an external filesystem?
> will

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