Hi Daniele, This is the Lucene dev list, I'm redirecting your question to [email protected].
On Fri, Dec 31, 2021 at 5:35 PM Daniele Antuzi <[email protected]> wrote: > > Hi, > I was taking a look at the Solr searcher to see how the filterCache is used: > https://github.com/apache/solr/blob/c2db3a943e665cfb39e9ea53640be40cf2c09fbc/solr/core/src/java/org/apache/solr/search/SolrIndexSearcher.java#L1379-L1398 > Reading the code, it turned out that the filterCache is not used if the sort > contains the score or if we don't have any score specified (by default, it > sorts by score). > As far as I know, the filterCache contains an unordered set of documents so > the sort must be calculated after the application of the filter query. > Then, also the score should be computed after the filter query to have a > smaller set of documents. > That being said, I don't understand why Solr does not use the filterCache if > the score is somehow involved in the sort. > In theory, it can > > apply the filter query reducing the number of result > computes the score > sort the results > > Am I missing something? > > Happy new year, > Daniele > -- Adrien --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
