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https://issues.apache.org/jira/browse/LUCENE-2694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973031#action_12973031
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Simon Willnauer commented on LUCENE-2694:
-----------------------------------------
Here are some numbers for the latest patch with 10M wiki index (commitpoint:
delmulti) and all MTQ rewriting to ScoreBoolean:
{code}
Query QPS base QPS spec Pct diff
+nebraska +state 42.96 42.17 -1.8%
unit state 3.63 3.61 -0.4%
"unit state" 1.72 1.71 -0.3%
state 10.55 10.54 -0.1%
spanNear([unit, state], 10, true) 0.96 0.96 0.1%
+unit +state 4.03 4.04 0.2%
spanFirst(unit, 5) 4.83 4.86 0.7%
united~1.0 4.76 4.86 2.1%
unit~1.0 2.62 2.69 2.7%
united~2.0 0.82 0.84 2.8%
unit~2.0 0.34 0.37 8.2%
un*d 3.55 4.14 16.6%
uni* 0.52 0.61 18.1%
u*d 0.47 0.57 19.9%
unit* 2.04 2.52 23.8%
{code}
> MTQ rewrite + weight/scorer init should be single pass
> ------------------------------------------------------
>
> Key: LUCENE-2694
> URL: https://issues.apache.org/jira/browse/LUCENE-2694
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 4.0
>
> Attachments: LUCENE-2694-FTE.patch, LUCENE-2694.patch,
> LUCENE-2694.patch, LUCENE-2694.patch, LUCENE-2694.patch
>
>
> Spinoff of LUCENE-2690 (see the hacked patch on that issue)...
> Once we fix MTQ rewrite to be per-segment, we should take it further and make
> weight/scorer init also run in the same single pass as rewrite.
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