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Posted to issues@lucene.apache.org by "slow-J (via GitHub)" <gi...@apache.org> on 2026/06/12 12:34:52 UTC
[I] Can we use DocValuesSkipper for range facets? [lucene]
slow-J opened a new issue, #16249:
URL: https://github.com/apache/lucene/issues/16249
### Description
When I get some spare time, I am planning to take a look into using DocValuesSkipper for range facets.
As reference, it is already being used in [HistogramCollector.java](https://github.com/apache/lucene/blob/main/lucene/sandbox/src/java/org/apache/lucene/sandbox/facet/plain/histograms/HistogramCollector.java).
Some extra background info I lifted about DocValuesSkipper:
```
the histogram collector bulk-counts whole blocks of docs using the doc-values skip index; do the same for range facets. When a dense skip-block's value range falls entirely inside one facet range, we can add the block's doc count in one shot instead of reading doc values and binary-searching per document.
```
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Re: [I] Can we use DocValuesSkipper for range facets? [lucene]
Posted by "msokolov (via GitHub)" <gi...@apache.org>.
msokolov closed issue #16249: Can we use DocValuesSkipper for range facets?
URL: https://github.com/apache/lucene/issues/16249
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