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Posted to issues@lucene.apache.org by "David Smiley (Jira)" <ji...@apache.org> on 2021/01/29 21:00:00 UTC

[jira] [Created] (LUCENE-9712) UnifiedHighlighter, optimize WEIGHT_MATCHES when many fields

David Smiley created LUCENE-9712:
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             Summary: UnifiedHighlighter, optimize WEIGHT_MATCHES when many fields
                 Key: LUCENE-9712
                 URL: https://issues.apache.org/jira/browse/LUCENE-9712
             Project: Lucene - Core
          Issue Type: Improvement
          Components: modules/highlighter
            Reporter: David Smiley


A user reported that highlighting many fields per document in WEIGHT_MATCHES mode is quite slow:   [https://lists.apache.org/thread.html/r152c74a884b5ff72f3d530fc452bb0865cc7f24ca35ccf7d1d1e4952%40%3Csolr-user.lucene.apache.org%3E]

The query is a DisjunctionMax over many fields – basically the ones being highlighted.



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