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From "Joel Bernstein (JIRA)" <>
Subject [jira] [Created] (SOLR-5045) Aggregating Collectors and AggregatorComponent
Date Wed, 17 Jul 2013 21:45:46 GMT
Joel Bernstein created SOLR-5045:

             Summary: Aggregating Collectors and AggregatorComponent
                 Key: SOLR-5045
             Project: Solr
          Issue Type: New Feature
          Components: search
    Affects Versions: 5.0
            Reporter: Joel Bernstein
            Priority: Minor
             Fix For: 5.0

This ticket provides a pluggable aggregation framework through the introduction of a new *Aggregator*
interface and a new search component called the *AggregatorComponent*.

The *Aggregator* interface extends the PostFilter interface providing methods that allow DelegatingCollectors
to perform aggregation at collect time. Aggregators were designed to play nicely with the
CollapsingQParserPlugin introduced in SOLR-5027. 

The *AggregatorComponent* manages the output and distributed merging of aggregate results.

This implementation combined with SOLR-5027 is designed to resolve the issues blocking SOLR-4465
(Configurable Collectors).  

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