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From "Shai Erera (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (LUCENE-5476) Facet sampling
Date Thu, 20 Mar 2014 11:36:46 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-5476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shai Erera resolved LUCENE-5476.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 5.0
                   4.8
         Assignee: Shai Erera
    Lucene Fields: New,Patch Available  (was: New)

Committed to trunk and 4x. Thanks Rob and Gilad for your contributions!

> Facet sampling
> --------------
>
>                 Key: LUCENE-5476
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5476
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Rob Audenaerde
>            Assignee: Shai Erera
>             Fix For: 4.8, 5.0
>
>         Attachments: LUCENE-5476.patch, LUCENE-5476.patch, LUCENE-5476.patch, LUCENE-5476.patch,
LUCENE-5476.patch, LUCENE-5476.patch, LUCENE-5476.patch, LUCENE-5476.patch, LUCENE-5476.patch,
LUCENE-5476.patch, LUCENE-5476.patch, SamplingComparison_SamplingFacetsCollector.java, SamplingFacetsCollector.java
>
>
> With LUCENE-5339 facet sampling disappeared. 
> When trying to display facet counts on large datasets (>10M documents) counting facets
is rather expensive, as all the hits are collected and processed. 
> Sampling greatly reduced this and thus provided a nice speedup. Could it be brought back?



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