[jira] [Created] (SOLR-9218) prevent filter exclusions in facet from caching main query as a filter

["Mikhail Khludnev (JIRA)" <ji...@apache.org>]

Mikhail Khludnev created SOLR-9218:
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             Summary: prevent filter exclusions in facet from caching main query as a filter
                 Key: SOLR-9218
                 URL: https://issues.apache.org/jira/browse/SOLR-9218
             Project: Solr
          Issue Type: Improvement
          Components: Facet Module, faceting
    Affects Versions: 6.1
            Reporter: Mikhail Khludnev
            Priority: Minor


when I specify filter exclusion for calculating facets a main query is cached as a filter. I'm concerned about hit ratio. Can we both facet implementations: [the old|https://github.com/apache/lucene-solr/blob/master/solr/core/src/java/org/apache/solr/request/SimpleFacets.java#L260] and [the new one|https://github.com/apache/lucene-solr/blob/master/solr/core/src/java/org/apache/solr/search/facet/FacetProcessor.java#L156] just use existing base docset for calculating exclusion docset?  

[~yseeley@gmail.com] please provide your concerns. 



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