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https://issues.apache.org/jira/browse/SOLR-221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12495844
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Yonik Seeley commented on SOLR-221:
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So for configuration, how about a SolrParam of
facet.minDfFilterCache (can anyone think of a better name?), probably
per-field.
We can defer more complex configuration in order to fit this into Solr 1.2, as
long as we don't think this single parameter is a mistake.
> faceting memory and performance improvement
> -------------------------------------------
>
> Key: SOLR-221
> URL: https://issues.apache.org/jira/browse/SOLR-221
> Project: Solr
> Issue Type: Improvement
> Reporter: Yonik Seeley
> Assigned To: Yonik Seeley
> Attachments: facet.patch
>
>
> 1) compare minimum count currently needed to the term df and avoid
> unnecessary intersection count
> 2) set a minimum term df in order to use the filterCache, otherwise iterate
> over TermDocs
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