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https://issues.apache.org/jira/browse/LUCENE-2504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yonik Seeley updated LUCENE-2504:
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Attachment: LUCENE-2504.patch
Attaching a draft patch that seems to fix the issue (the ones I can find at
least).
bq. Hmm I don't see the problem - eg OneComparatorNonScoringCollector saves the
returned comparator from comparator.setNextReader.
Yes, but FieldValueHitQueue has it's own list of comparators that never get
updated.
> sorting performance regression
> ------------------------------
>
> Key: LUCENE-2504
> URL: https://issues.apache.org/jira/browse/LUCENE-2504
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 4.0
> Reporter: Yonik Seeley
> Fix For: 4.0
>
> Attachments: LUCENE-2504.patch, LUCENE-2504.patch, LUCENE-2504.patch,
> LUCENE-2504.zip
>
>
> sorting can be much slower on trunk than branch_3x
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