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https://issues.apache.org/jira/browse/LUCENE-5425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei Wang updated LUCENE-5425:
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Attachment: openbitsetiter.patch
Faster OpenBitSetIterator
> Make creation of FixedBitSet in FacetsCollector overridable
> -----------------------------------------------------------
>
> Key: LUCENE-5425
> URL: https://issues.apache.org/jira/browse/LUCENE-5425
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/facet
> Affects Versions: 4.6
> Reporter: John Wang
> Assignee: Shai Erera
> Fix For: 5.0, 4.7
>
> Attachments: LUCENE-5425.patch, facetscollector.patch,
> facetscollector.patch, fixbitset.patch, openbitsetiter.patch
>
>
> In FacetsCollector, creation of bits in MatchingDocs are allocated per query.
> For large indexes where maxDocs are large creating a bitset of maxDoc bits
> will be expensive and would great a lot of garbage.
> Attached patch is to allow for this allocation customizable while maintaining
> current behavior.
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