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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