Re: Different solr score between stand alone vs cloud mode solr

2018-06-07 Thread Erick Erickson
Wei: That is odd. These should be the same so I'm puzzled too. I'm assuming that you're using the exact same schema on both with each field having the exact same definitions. And since you say it's the same release of Solr it's not like some default changed Here's an idea (and I'm shooting i

Re: Different solr score between stand alone vs cloud mode solr

2018-06-07 Thread Wei
Thanks Erick. However our indexes on stand alone and cloud are both static -- we indexed them from the same source xmls, optimize and have no updates after it is done. Also in cloud there is only one single shard( with multiple replicas ). I assume distributed stats doesn't have effect in this case

RE: Different solr score between stand alone vs cloud mode solr

2018-06-07 Thread Markus Jelsma
2018 21:19 > To: solr-user > 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 i

Re: Different solr score between stand alone vs cloud mode solr

2018-06-07 Thread David Hastings
Also the score is a fluid number, you shouldnt use the score for any real reason aside from seeing that the documents are in the right order in relation to the scores from the other documents in the result set. or the occasional condition where two results switch in place from one to the other bec

Re: Different solr score between stand alone vs cloud mode solr

2018-06-07 Thread Erick Erickson
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 merg

Different solr score between stand alone vs cloud mode solr

2018-06-07 Thread Wei
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 scor