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From Darvin Denmian <darvin.denm...@gmail.com>
Subject Re: Use of SSD for commitlog
Date Wed, 08 Aug 2012 13:16:35 GMT
Thanks for your reply Dean,

considering your reply.... maybe I use a 15k RPM SCSI Disk, I think it'll
perform better than a SSD disk.

On Wed, Aug 8, 2012 at 10:01 AM, Hiller, Dean <Dean.Hiller@nrel.gov> wrote:

> Probably not since it is sequential writes….(ie. Seek performance is the
> big hit and if it is sequential it should not be seeking and is about just
> as fast as an SSD in theory).  In practice, I have not measure the
> performance of one vs. the other though…that I always the best way to
> go.(you could write a micro benchmark test with warmup writes and then
> stream writes to and see how it does without cassandra).
>
> Dean
>
> From: Darvin Denmian <darvin.denmian@gmail.com<mailto:
> darvin.denmian@gmail.com>>
> Reply-To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" <
> user@cassandra.apache.org<mailto:user@cassandra.apache.org>>
> Date: Tuesday, August 7, 2012 8:34 PM
> To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" <
> user@cassandra.apache.org<mailto:user@cassandra.apache.org>>
> Subject: Use of SSD for commitlog
>
> Hi,
>
> Can somebody tell me if is there some benefit in use SSD Disks
> for commitlog?
>
> THanks!
>

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