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From Tim Vaillancourt <...@elementspace.com>
Subject Re: solr cpu usage
Date Tue, 08 Oct 2013 20:25:11 GMT
Yes, you've saved us all lots of time with this article. I'm about to do
the same for the old "Jetty or Tomcat?" container question ;).

Tim


On 7 October 2013 18:55, Erick Erickson <erickerickson@gmail.com> wrote:

> Tim:
>
> Thanks! Mostly I wrote it to have something official looking to hide
> behind when I didn't have a good answer to the hardware sizing question
> :).
>
> On Mon, Oct 7, 2013 at 2:48 PM, Tim Vaillancourt <tim@elementspace.com>
> wrote:
> > Fantastic article!
> >
> > Tim
> >
> >
> > On 5 October 2013 18:14, Erick Erickson <erickerickson@gmail.com> wrote:
> >
> >> From my perspective, your question is almost impossible to
> >> answer, there are too many variables. See:
> >>
> >>
> http://searchhub.org/dev/2012/07/23/sizing-hardware-in-the-abstract-why-we-dont-have-a-definitive-answer/
> >>
> >> Best,
> >> Erick
> >>
> >> On Thu, Oct 3, 2013 at 9:38 PM, Otis Gospodnetic
> >> <otis.gospodnetic@gmail.com> wrote:
> >> > Hi,
> >> >
> >> > More CPU cores means more concurrency.  This is good if you need to
> >> handle
> >> > high query rates.
> >> >
> >> > Faster cores mean lower query latency, assuming you are not
> bottlenecked
> >> by
> >> > memory or disk IO or network IO.
> >> >
> >> > So what is ideal for you depends on your concurrency and latency
> needs.
> >> >
> >> > Otis
> >> > Solr & ElasticSearch Support
> >> > http://sematext.com/
> >> > On Oct 1, 2013 9:33 AM, "adfel70" <adfel70@gmail.com> wrote:
> >> >
> >> >> hi
> >> >> We're building a spec for a machine to purchase.
> >> >> We're going to buy 10 machines.
> >> >> we aren't sure yet how many proccesses we will run per machine.
> >> >> the question is  -should we buy faster cpu with less cores or slower
> cpu
> >> >> with more cores?
> >> >> in any case we will have 2 cpus in each machine.
> >> >> should we buy 2.6Ghz cpu with 8 cores or 3.5Ghz cpu with 4 cores?
> >> >>
> >> >> what will we gain by having many cores?
> >> >>
> >> >> what kinds of usages would make cpu be the bottleneck?
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> View this message in context:
> >> >> http://lucene.472066.n3.nabble.com/solr-cpu-usage-tp4092938.html
> >> >> Sent from the Solr - User mailing list archive at Nabble.com.
> >> >>
> >>
>

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