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From James Golick <jamesgol...@gmail.com>
Subject Re: Read Performance
Date Fri, 02 Apr 2010 17:36:52 GMT
Yes.

On Fri, Apr 2, 2010 at 10:35 AM, Ryan King <ryan@twitter.com> wrote:

> On Thu, Apr 1, 2010 at 8:37 PM, James Golick <jamesgolick@gmail.com>
> wrote:
> > Well, folks, I'm feeling a little stupid right now (adding to the injury
> > inflicted by one Mr. Stump :-P).
> > So, here's the story. The cache hit rate is up around 97% now. The ruby
> code
> > is down to around 20-25ms to multiget the 20 rows. I did some profiling,
> > though, and realized that a lot of time was being spent in thrift. Turns
> > out, that's where pretty much all the time was going.
> > I just ran the same test using java (scala) and the load is taking around
> > 2-4ms.
>
> We've definitely seen ruby add latency to cassandra operations, but it
> hasn't been that bad. Are you using our cassandra gem?
>
> -ryan
>

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