Damn I didn't put comments in the ticket but replied to question " Is it safe to upgrade an existing field to docvalues?" on the mailing list.
Check that out On Sep 14, 2016 5:59 PM, "Pushkar Raste" <pushkar.ra...@gmail.com> wrote: > We experienced exact opposite issue on Solr 4.10 > > Check my comments in https://issues.apache.org/jira/browse/SOLR-9437 > > I am not sure if issue was fixed in Solr 6 > > I do be interested in tracking down patch for this. > > On Sep 14, 2016 3:04 PM, "Erick Erickson" <erickerick...@gmail.com> wrote: > >> Weird indeed. Optimize _shouldn't_ be necessary if the index was >> rebuilt from scratch after changing something like DV, but in a mixed >> set of segments I'm not sure what would happen. Perhaps one of the >> Lucene folks can chime in? >> >> Best, >> Erick >> >> On Wed, Sep 14, 2016 at 9:22 AM, Markus Jelsma >> <markus.jel...@openindex.io> wrote: >> > Well, it could be that indeed. I know i enabled docValues on that field >> three and a half months ago. But usually when i do that, i force an >> optimize. >> > >> > On the other hand, i'd reckon that in the past few months, all segments >> should have been merged with another one at least once because data keeps >> streaming in. But i'm not sure it would anyway. >> > >> > Thanks, >> > Markus >> > >> > -----Original message----- >> >> From:Erick Erickson <erickerick...@gmail.com> >> >> Sent: Wednesday 14th September 2016 17:22 >> >> To: solr-user <solr-user@lucene.apache.org> >> >> Subject: Re: Facetting on a field doesn't work, until i optimized the >> index >> >> >> >> That's strange.... >> >> >> >> Is there any chance that the schema changed? This is _really_ a shot >> >> in the dark, but perhaps the optimize "normalized" the field >> >> definitions stored with each segment. >> >> >> >> Imagine segments 1-5 have one definition, and segments 6-10 have a >> >> different definition for your field. Optimize would have to resolve >> >> this somehow, perhaps that process made the magic happen? >> >> >> >> NOTE: I'm not conversant with the internals of merge, so this may be >> >> totally bogus...... >> >> >> >> Best, >> >> Erick >> >> >> >> On Wed, Sep 14, 2016 at 6:15 AM, Markus Jelsma >> >> <markus.jel...@openindex.io> wrote: >> >> > Hello - we've just spotted the weirdest issue on Solr 6.1. >> >> > >> >> > We have a Solr index full of logs, new items are added every few >> minutes. We also have an application that shows charts based on what's in >> the index, Banana style. >> >> > >> >> > Yesterday we saw facets for a specific field were missing. Today we >> checked it out until we reduced the facet query just to >> facet=true&facet.field=FIELD, but it returned nothing of use, just an empty >> set of facets. >> >> > >> >> > My colleague suggested the crazy idea to optimize the index, i >> protested because it is no use, numDoc always equals maxDoc and the >> optimize button was missing anyway. So i forced an optimize via the URL, >> and it worked, the facets for that field are now back! >> >> > >> >> > Any ideas? Is there a related ticket? >> >> > >> >> > Thanks, >> >> > Markus >> >> >> >
