To add on that, keep in mind to disable queryResultCache or distributed stats won't work.
And to add on that, i do not think distributed stats will work for a single shard index anyway. Regards, Markus -----Original message----- > From:Erick Erickson <erickerick...@gmail.com> > Sent: Thursday 7th June 2018 21:19 > To: solr-user <solr-user@lucene.apache.org> > Subject: Re: Different solr score between stand alone vs cloud mode solr > > Short form: > > As docs are updated, they're marked as deleted until the segment is > merged. This affects things like term frequency and doc frequency > which in turn influences the score. > > Due to how commits happen, i.e. autocommit will hit at slightly skewed > wall-clock time, different segments are merged on different replicas > of the same shard. Thus the scores can be slightly different > > You can turn on distributed stats which will help with this: > https://issues.apache.org/jira/browse/SOLR-1632 > > Best, > Erick > > On Thu, Jun 7, 2018 at 12:07 PM, Wei <weiwan...@gmail.com> wrote: > > Hi, > > > > Recently we have an observation that really puzzled us. We have two > > instances of Solr, one in stand alone mode and one is a single-shard solr > > cloud with a couple of replicas. Both are indexed with the same documents > > and have same solr version 6.6.2. When issue the same query, the solr > > score from stand alone and cloud are different. How could this happen? > > With the same data, software version and query, should solr score be > > exactly same regardless of cloud mode or not? > > > > Thanks, > > Wei >
