This fix definitely help for facet.field over docvalues field on mult-segment index since 5.4. I suppose it's irrelevant to JSON Facets, non-dv field, and pre 5.4. I can not comment about comparing perfomance of dv and non-dv fields, because "it depends" (с) benchmarking and profiler are the only advisers.
On Thu, Dec 17, 2015 at 9:22 AM, William Bell <billnb...@gmail.com> wrote: > Same question here.... > > Wondering if faceting performance is fixed and how to take advantage of it > ? > > On Wed, Dec 16, 2015 at 2:57 AM, Vincenzo D'Amore <v.dam...@gmail.com> > wrote: > > > 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 < > > mkhlud...@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 <r...@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 < > r...@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> > > > <mkhlud...@griddynamics.com> > > > > > > > > > > > -- > > Vincenzo D'Amore > > email: v.dam...@gmail.com > > skype: free.dev > > mobile: +39 349 8513251 > > > > > > -- > Bill Bell > billnb...@gmail.com > cell 720-256-8076 > -- Sincerely yours Mikhail Khludnev Principal Engineer, Grid Dynamics <http://www.griddynamics.com> <mkhlud...@griddynamics.com>