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Posted to issues@solr.apache.org by "Doug Turnbull (Jira)" <ji...@apache.org> on 2023/10/18 12:35:00 UTC

[jira] [Created] (SOLR-17037) LTR Queries don't use queryResultCache

Doug Turnbull created SOLR-17037:
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             Summary: LTR Queries don't use queryResultCache
                 Key: SOLR-17037
                 URL: https://issues.apache.org/jira/browse/SOLR-17037
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: ltr
    Affects Versions: 9.4
            Reporter: Doug Turnbull


Before queries are placed in the query result cache, they get rewritten. Sometimes this rewriting happens in-place. The key used for the query result cache, has as one element, the query.

For LTRQuery -> LTRScoringQuery, rewriting will change the cache key's original query. Thus when we insert using this key, it's not the same as subsequent queries that perform a lookup. So LTRQueries never benefit from the cache.

 



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