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From: "Vincenzo D'Amore" <v.damore@gmail.com>
Date: Wed, 16 Dec 2015 10:57:02 +0100
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Subject: Re: faceting is unusable slow since upgrade to 5.3.0
To: solr-user@lucene.apache.org
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Hi all,

given that solr 5.4 is finally released, is this what's more stable and
efficient version of solrcloud ?

I have a website which receives many search requests. It serve normally
about 2000 concurrent requests, but sometime there are peak from 4000 to
10000 requests in few seconds.

On January I'll have a chance to upgrade my old SolrCloud 4.8.1 cluster to
a new brand version, but following this thread I read about the problems
that can occur upgrading to latest version.

I have seen that issue SOLR-7730 "speed-up faceting on doc values fields"
is fixed in 5.4.

I'm using standard faceting without docValues. Should I add docValues in
order to benefit of such fix?

Best regards,
Vincenzo


On Thu, Oct 8, 2015 at 2:22 PM, Mikhail Khludnev <mkhludnev@griddynamics.com
> wrote:

> Uwe, it's good to know! I mean that you've recovered. Take care!
>
> On Thu, Oct 8, 2015 at 1:24 PM, Uwe Reh <reh@hebis.uni-frankfurt.de>
> wrote:
>
> > Sorry for the delay. I had an ugly flu.
> >
> > SOLR-7730 seems to work fine. Using docValues with Solr
> > 5.4.0-2015-09-29_08-29-55 1705813 makes my faceted queries fast again.
> > (90ms vs. 20000ms) :-)
> >
> > Thanks
> > Uwe
> >
> >
> >
> >
> > Am 27.09.2015 um 20:32 schrieb Mikhail Khludnev:
> >
> >> On Sun, Sep 27, 2015 at 2:00 PM, Uwe Reh <reh@hebis.uni-frankfurt.de>
> >> wrote:
> >>
> >> When 5.4 with SOLR-7730 will be released, I will start to use docValues.
> >>> Going this way, seems more straight forward to me.
> >>>
> >>
> >>
> >> Sure. Giving your answers docValues facets has a really good chance to
> >> perform in your index after SOLR-7730. It's really interesting to see
> >> performance numbers on early 5.4 builds:
> >>
> >>
> https://builds.apache.org/view/All/job/Solr-Artifacts-5.x/lastSuccessfulBuild/artifact/solr/package/
> >>
> >>
> >
>
>
> --
> Sincerely yours
> Mikhail Khludnev
> Principal Engineer,
> Grid Dynamics
>
> <http://www.griddynamics.com>
> <mkhludnev@griddynamics.com>
>


-- 
Vincenzo D'Amore
email: v.damore@gmail.com
skype: free.dev
mobile: +39 349 8513251

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