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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-1875) per-segment single valued string faceting
Date Sat, 10 Apr 2010 14:17:42 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12855576#action_12855576
] 

Yonik Seeley commented on SOLR-1875:
------------------------------------

OK, so the idea is pretty simple: reuse the existing algorithm for single valued string fields
that uses the FieldCache.
Count per-segment with a per-segment accumulator array, then merge all of the counts at the
end (probably with a priority queue - same method used in MultiTermEnum).  Seems like a good
opportunity to introduce some threading and do the per-segment counting in parallel.

> per-segment single valued string faceting
> -----------------------------------------
>
>                 Key: SOLR-1875
>                 URL: https://issues.apache.org/jira/browse/SOLR-1875
>             Project: Solr
>          Issue Type: New Feature
>    Affects Versions: 3.1
>            Reporter: Yonik Seeley
>            Assignee: Yonik Seeley
>
> A little stepping stone to NRT:
> Per-segment single-valued string faceting using the Lucene FieldCache.

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