Re: Different order of docs between SOLR-4.10.4 to SOLR-6.5.1

2017-08-13 Thread Dave
Rebuild your index. It's just the safest way. On Aug 13, 2017, at 2:02 PM, SOLR4189 wrote: >> If you are changing things like WordDelimiterFilterFactory to the graph >> version, you'll definitely want to reindex > > What does it mean "*want to reindex*"? If I change >

Re: Different order of docs between SOLR-4.10.4 to SOLR-6.5.1

2017-08-13 Thread SOLR4189
> If you are changing things like WordDelimiterFilterFactory to the graph > version, you'll definitely want to reindex What does it mean "*want to reindex*"? If I change WordDelimiterFilterFactory to the graph and use IndexUpgrader is it mistake? Or changes will not be affected only? -- View

Re: Different order of docs between SOLR-4.10.4 to SOLR-6.5.1

2017-08-11 Thread Shawn Heisey
On 8/11/2017 2:52 AM, SOLR4189 wrote: > Yes, only because I'm seeing different results. > > For example, changing *WordDelimiterFilterFactory *to > *WordDelimiterGraphFilterFactory * can change order of docs? ( >

Re: Different order of docs between SOLR-4.10.4 to SOLR-6.5.1

2017-08-11 Thread SOLR4189
Yes, only because I'm seeing different results. For example, changing *WordDelimiterFilterFactory *to *WordDelimiterGraphFilterFactory * can change order of docs? ( http://lucene.apache.org/core//6_5_1/analyzers-common/index.html?deprecated-list.html

Re: Different order of docs between SOLR-4.10.4 to SOLR-6.5.1

2017-08-04 Thread Erick Erickson
In addition to Shawn's comments, deleted but not merged documents alter the statistics used for scoring, so the only hope that the scores are comparable would be on an optimized index. And note that I would recommend optimizing _only_ for testing, don't use it in a production system unless the

Re: Different order of docs between SOLR-4.10.4 to SOLR-6.5.1

2017-08-04 Thread Shawn Heisey
On 8/4/2017 1:02 AM, SOLR4189 wrote: > I need to upgrade from SOLR-4.10.3 to SOLR-6.5.1 in production environment. > When I checked it in the test environment, I noticed the order of returned > docs for each query is different. The score has changed as well. I use same > similarity algorithm -

Different order of docs between SOLR-4.10.4 to SOLR-6.5.1

2017-08-04 Thread SOLR4189
Hey all, I need to upgrade from SOLR-4.10.3 to SOLR-6.5.1 in production environment. When I checked it in the test environment, I noticed the order of returned docs for each query is different. The score has changed as well. I use same similarity algorithm - OccapiBM25 as in previous version.