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From Steve Robenalt <sroben...@highwire.org>
Subject Re: Question about EC2 and SSDs
Date Fri, 05 Sep 2014 00:41:34 GMT
Thanks Rahul!

That was my inclination, but I don't want to take things like that for
granted. Anybody have a dissenting view?

Steve


On Thu, Sep 4, 2014 at 5:14 PM, Rahul Neelakantan <rahul@rahul.be> wrote:

> With SSD one drive should be sufficient for both data and commitLogs.
>
> Rahul Neelakantan
>
> > On Sep 4, 2014, at 8:05 PM, Steve Robenalt <srobenalt@highwire.org>
> wrote:
> >
> > Hi all,
> >
> > We are migrating a small cluster on AWS from instances based on spinning
> disks (using instance store) to SSD-backed instances and we're trying to
> pick the proper instance type. Some of the recommendations for spinning
> disks say to use different drives for log vs data partitions to avoid
> issues with seek delays and contention for the disk heads. Since SSDs don't
> have the same seek delays, is it still recommended to use 2 SSD drives? Or
> is one sufficient?
> >
> > Thanks,
> > Steve
> >
>

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