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https://issues.apache.org/jira/browse/LUCENE-10488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17513722#comment-17513722
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Greg Miller edited comment on LUCENE-10488 at 3/28/22, 11:41 PM:
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Note that I have an [open PR|https://github.com/apache/lucene/pull/719] that
proposes some significant changes to association facets, so might be worth
trying to avoid large merge collisions with that if someone jumps on this.
was (Author: gsmiller):
Note that I have an [open PR](https://github.com/apache/lucene/pull/719) that
proposes some significant changes to association facets, so might be worth
trying to avoid large merge collisions with that if someone jumps on this.
> Optimize Facets#getTopDims across Facets implementations
> --------------------------------------------------------
>
> Key: LUCENE-10488
> URL: https://issues.apache.org/jira/browse/LUCENE-10488
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/facet
> Reporter: Greg Miller
> Priority: Minor
>
> LUCENE-10325 added a new {{getTopDims}} API, allowing users to specify the
> number of "top" dimensions they want. The default implementation just
> delegates to {{getAllDims}} and returns the number of top dims requested, but
> some Facets sub-classes can do this more optimally. LUCENE-10325 demonstrated
> this in {{SortedSetDocValueFacetCounts}}, but we can take it further. There's
> at least some opportunity to do better in:
> * {{ConcurrentSortedSetDocValuesFacetCounts}}
> * {{FastTaxonomyFacetCounts}}
> * {{TaxonomyFacetSumFloatAssociations}}
> * {{TaxonomyFacetSumIntAssociations}}
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