memcached opinions

Mike McGrath mmcgrath at redhat.com
Thu Jul 2 00:08:25 UTC 2009


On Wed, 1 Jul 2009, Stephen John Smoogen wrote:

> On Wed, Jul 1, 2009 at 3:33 PM, Mike McGrath<mmcgrath at redhat.com> wrote:
> > I'm not sure if we have any memcached experience on the list but I thought
> > I'd ask.  Can anyone explain this:
> >
> > http://pastebin.ca/1481219
> >
> > Notice how memcached1 has a much higher hit rate and memcached2 has a much
> > lower hit rate?
> >
>
> The time for memcached1 is 5x less than memcached2 being up. That can
> have an effect on caching as right after a system comes up its rates
> are usually much higher and then over time fall off (iirc). I think it
> would take bringing both up at the same time to figure out if there is
> a true disparity over caching.
>

I thought that exact same thing :)

memcahed1:
STAT uptime 9143
STAT get_hits 311736
STAT get_misses 11255

memcached2:
STAT uptime 9144
STAT get_hits 49679
STAT get_misses 11116

	-Mike


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