GitHub user s1monw opened a pull request:
https://github.com/apache/lucene-solr/pull/523
LUCENE-8602: Share TermsEnum if possible while applying DV updates
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.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/s1monw/lucene-solr
share_terms_enum_if_possible
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/lucene-solr/pull/523.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #523
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commit cdd3558fab42013a1c6445f05a834b3b7819e5c1
Author: Simon Willnauer <simonw@...>
Date: 2018-12-11T16:28:08Z
LUCENE-8602: Share TermsEnum if possible while applying DV updates
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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