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https://issues.apache.org/jira/browse/SOLR-221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12492579
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Yonik Seeley commented on SOLR-221:
-----------------------------------
Perhaps minDfFilterCache could be automatically tuned depending on if the index
is optimized or not...
Could allow specification of both in solrconfig.xml perhaps...
<faceting>
<minDfFilterCache>0</minDfFilterCache> <!-- always use filterCache in
non-optimized index -->
<minDfFilterCache index="optimized">50</minDfFilterCache> <!-- if optimized,
only use filterCache when df>=50 -->
</faceting>
> 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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