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From lei <simpl...@gmail.com>
Subject Re: Performance on faceting using docValues
Date Thu, 05 Mar 2015 20:14:03 GMT
Some mistake in the previous email.

Here is the specs of some example query faceting on three fields (all
string type):
first call: 1+ sec (with docValues) vs. 4+ sec (w/o docValues)
subsequent calls: 100+ ms (with docValues) vs. 30+ ms (w/o docValues)
consistently
the total # of docs returned is around 600,000

The query looks like this:

q=*:*&fq=country:"US"&fq=category:112&facet=on&facet.sort=index&facet.mincount=1&facet.limit=2000&facet.field=manufacturer&facet.field=seller&facet.field=material&f.manufacturer.facet.mincount=1&f.manufacturer.facet.sort=count&f.manufacturer.facet.limit=100&f.seller.facet.mincount=1&f.seller.facet.sort=count&f.seller.facet.limit=100&f.material.facet.mincount=1&sort=score+desc

Thanks,

On Thu, Mar 5, 2015 at 11:42 AM, Mikhail Khludnev <
mkhludnev@griddynamics.com> wrote:

> Hello,
>
> I have one consideration on top of my head, would you mind to show a brief
> snapshot by a sampler?
>
> On Thu, Mar 5, 2015 at 10:18 PM, lei <simplely@gmail.com> wrote:
>
> > Hi there,
> >
> > I'm testing facet performance with vs without docValues in Solr 4.7, and
> > found that on first request, performance with docValues is much faster
> than
> > non-docValues. However, for subsequent requests (where the queries are
> > cached), the performance is slower for docValues than non-docValues. Is
> > this an expected behavior? Any idea or solution is appreciated. Thanks.
> >
>
>
>
> --
> Sincerely yours
> Mikhail Khludnev
> Principal Engineer,
> Grid Dynamics
>
> <http://www.griddynamics.com>
> <mkhludnev@griddynamics.com>
>

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