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https://issues.apache.org/jira/browse/LUCENE-5429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-5429:
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Attachment: LUCENE-5429.patch
Here's a new patch, fixing DisjunctionSum/MaxScorer to not score during
matching.
I sort of think this is something we should separately explore ... e.g. if you
do a Filter with one of these queries, they are scoring unnecessarily. Queries
really shouldn't score during matching.
For this issue, the test now passes, so you can run matching once and scoring N
times to N collectors, for disjunctions.
> Run one search across multiple scorers/collectors
> -------------------------------------------------
>
> Key: LUCENE-5429
> URL: https://issues.apache.org/jira/browse/LUCENE-5429
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Attachments: LUCENE-5429.patch, LUCENE-5429.patch
>
>
> I'm looking into the possibility of running the same search across many
> scorers, so that decoding postings lists / doing union and intersect are done
> once, but scoring via Similarity can be done multiple times for each it (and
> the results collected into separate collectors).
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