Hi, Did you encounter any error message during those occasions where you get 0 hits returned?
Regards, Edwin On Fri, 16 Aug 2019 at 06:02, Brian Lininger <brian.linin...@veeva.com> wrote: > Hi All, > I'm seeing some odd behavior that I'm hoping someone might have encountered > before. We're using Solr 6.6.6 and very infrequently (happened twice in > the past year) we're getting 0 hits returned for a query that I know should > have results. We've hit this issue once over the past year in 2 separate > collections (both with a single shard), each with several million > documents, where a query will return 0 hits. I see a similar query run > 5-10s later and it will get the expected # of hits (~1M hits) so I know > that we haven't reindexed a million docs between the two queries. Besides > that I can see that between the 2 queries we only added 150-200 docs with a > single commit so I don't see how that could affect the results in this > manner. > > We have a moderate indexing load during the time we see this, we seen much > higher indexing loads without issue but it's also not idle either. I've > spent a bunch of time trying to reproduce this, tinkering with queries > because I assumed that the problem had to be with the search query and not > with Solr. Search times for both queries (those with 0 hits and those with > 10k+ hits) are taking 30-40ms. > > Anyone run into something like this? Any ideas on something to look for? > > Thanks, > Brian Lininger >
