Greg Miller created LUCENE-10488:
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Summary: 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
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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