Joel Bernstein created SOLR-5045:
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Summary: Aggregating Collectors and AggregatorComponent
Key: SOLR-5045
URL: https://issues.apache.org/jira/browse/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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