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Date: Fri, 22 Feb 2013 20:42:12 +0000 (UTC)
From: "Neelesh Shastry (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Message-ID: <JIRA.12631200.1360209310097.325413.1361565732649@arcas>
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Subject: [jira] [Commented] (SOLR-4411) Provide a facet.maxcount parameter
 that excludes the counts that are higher than this value in a faceted query
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    [ https://issues.apache.org/jira/browse/SOLR-4411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13584661#comment-13584661 ] 

Neelesh Shastry commented on SOLR-4411:
---------------------------------------

If we stick to the basic faceting queries (no multiselect for example), it may be doable. I will work on that and submit a patch. 
                
> Provide a facet.maxcount parameter that excludes the counts that are higher than this value in a faceted query
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-4411
>                 URL: https://issues.apache.org/jira/browse/SOLR-4411
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>    Affects Versions: 4.1
>            Reporter: Neelesh Shastry
>            Priority: Minor
>
> The parameter facet.mincount provides a good way of filtering counts less than a given number in a faceted query. facet.maxcount would be the upper bound counterpart for this. Currently I'm doing this inside FacetComponent,by filtering the facet counts explicitly, but this is expensive. I would like to know the challenges in implementing this feature both in sharded/non-sharded environments. Willing to implement the feature with tests. 
>    On first pass, it looks like I need to change the facet count algos for termenum, fieldcache, uninverted as well as DistribFieldFacet.

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