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Posted to dev@lucene.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2018/12/11 18:15:00 UTC
[jira] [Commented] (LUCENE-8602) Share TermsEnum if possible while
applying DV updates
[ https://issues.apache.org/jira/browse/LUCENE-8602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16717690#comment-16717690 ]
ASF subversion and git services commented on LUCENE-8602:
---------------------------------------------------------
Commit d08e2d49d3000805d4bc67db453fde12d1e0810d in lucene-solr's branch refs/heads/master from [~simonw]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=d08e2d4 ]
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.
> 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
> Priority: Major
> Fix For: master (8.0), 7.7
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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