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Posted to dev@lucene.apache.org by "Simon Willnauer (JIRA)" <ji...@apache.org> on 2018/12/11 16:33:00 UTC

[jira] [Created] (LUCENE-8602) Share TermsEnum if possible while applying DV updates

Simon Willnauer created LUCENE-8602:
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             Summary:  Share TermsEnum if possible while applying DV updates
                 Key: LUCENE-8602
                 URL: https://issues.apache.org/jira/browse/LUCENE-8602
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Simon Willnauer
             Fix For: master (8.0), 7.7


 Today we pull a new terms enum when we apply DV updates even though the
    field stays the same which is the common case. Benchmarking this on a
    larger term dictionary with a significant number of updates shows a
    2x improvement in performance.



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