hm.. This option was useful for introspecting cache content https://wiki.apache.org/solr/SolrCaching#showItems It might help you to find-out a cause. I'm still blaming distributed requests, it expained here https://cwiki.apache.org/confluence/display/solr/Faceting#Faceting-Over-RequestParameters eg does it happen if you run with distrib=false?
On Fri, Oct 2, 2015 at 12:27 AM, Jeff Wartes <jwar...@whitepages.com> wrote: > > No change, still shows an insert per-request. As does a simplified request > with only the facet params > "&facet.field=city&facet=true" > by default it's 100 https://cwiki.apache.org/confluence/display/solr/Faceting#Faceting-Thefacet.limitParameter and can cause filtering by values, it can be seen in logs, btw. > > It’s definitely facet related though, facet=false eliminates the insert. > > > > On 10/1/15, 1:50 PM, "Mikhail Khludnev" <mkhlud...@griddynamics.com> > wrote: > > >what if you set f.city.facet.limit=-1 ? > > > >On Thu, Oct 1, 2015 at 7:43 PM, Jeff Wartes <jwar...@whitepages.com> > >wrote: > > > >> > >> I’m doing some fairly simple facet queries in a two-shard 5.3 SolrCloud > >> index on fields like this: > >> > >> <field name="city" type="string" indexed="true" stored="false" > >> docValues="true”/> > >> > >> that look something like this: > >> > >>q=...&fl=id,score&facet.field=city&facet=true&f.city.facet.mincount=1&f.c > >>it > >> y.facet.limit=50&rows=0&start=0&facet.method=fc > >> > >> (no, NOT facet.method=enum - the usage of the filterCache there is > >>pretty > >> well documented) > >> > >> Watching the filterCache stats, it appears that every one of these > >>queries > >> causes the "inserts" counter to be incremented by one. Distinct "q=" > >> queries also increase the "size", and eviction happens as normal. If I > >> repeat the same query a few times, "lookups" is not incremented, so > >>these > >> entries generally appear to be completely wasted. (Although when > >>running a > >> lot of these queries, it appears as though a very small set also > >>increment > >> the "lookups" counter, but only a small set, and I haven’t figured out > >>why > >> some are special.) > >> > >> So the question is, why does this facet query have anything to do with > >>the > >> filterCache? This causes a huge amount of filterCache churn with no > >> apparent benefit. > >> > >> > > > > > >-- > >Sincerely yours > >Mikhail Khludnev > >Principal Engineer, > >Grid Dynamics > > > ><http://www.griddynamics.com> > ><mkhlud...@griddynamics.com> > > -- Sincerely yours Mikhail Khludnev Principal Engineer, Grid Dynamics <http://www.griddynamics.com> <mkhlud...@griddynamics.com>
