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From James Golick <jamesgol...@gmail.com>
Subject Re: Read Performance
Date Wed, 31 Mar 2010 16:01:42 GMT
I'm testing on the live cluster, but most of the production reads are being
served by the cache. It's definitely the right CF.

On Wed, Mar 31, 2010 at 8:30 AM, Jonathan Ellis <jbellis@gmail.com> wrote:

> On Wed, Mar 31, 2010 at 12:01 AM, James Golick <jamesgolick@gmail.com>
> wrote:
> > Okay, so now my row cache hit rate jumps between 1.0, 99.5, 95.6, and
> NaN.
> > Seems like that stat is a little broken.
>
> Sounds like you aren't getting enough requests for the
> getRecentHitRate to make sense.  use getHits / getRequests.
>
> But if you aren't getting enough requests for getRecentHitRate, are
> you sure you're tuning the cache on the right CF for your 35ms test?
> Are you testing live?  If not, what's your methodology here?
>
> -Jonathan
>

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