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Posted to dev@lucene.apache.org by "Yonik Seeley (JIRA)" <ji...@apache.org> on 2015/10/29 17:27:27 UTC
[jira] [Created] (SOLR-8222) Optimize count-only faceting when
there are many expected matches-per-ord
Yonik Seeley created SOLR-8222:
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Summary: Optimize count-only faceting when there are many expected matches-per-ord
Key: SOLR-8222
URL: https://issues.apache.org/jira/browse/SOLR-8222
Project: Solr
Issue Type: Improvement
Components: Facet Module
Reporter: Yonik Seeley
This optimization for the JSON Facet API came up a few months ago on the mailing list (I think by Toke).
Basically, if one expects many hits per bucket, use a temporary array to accumulate segment ords and map them all at the end to global ords. This saves redundant segOrd->globalOrd mappings at the cost of having to scan the temp array.
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