Streaming Aggregation For SolrCloud

Introduction Tuples, TupleStreams and Sorted Streams SolrStream Stream Decorators Streaming Set Operations Streaming Aggregation Distributed Searching, Sorting and Streaming: CloudSolrStream A Bottleneck Rears It’s Ugly Head! Distributed Aggregation: ParallelStream Scaling-up With SolrCloud Replicas   Introduction This blog describes the new … Continued

Solr’s New AnalyticsQuery API

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In Solr 4.9 there is a new AnalyticsQuery API that allows developers to plug custom analytic logic into Solr. The AnalyticsQuery class provides a clean and simple API that gives developers access to all the rich functionality in Lucene and … Continued

New in Solr 4.9: Query Re-Ranking

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In my last blog, I discussed Solr’s new RankQuery capability, which allows developers to take full control of the ranking process. The new ReRankingQParserPlugin leverages the RankQuery framework to hook in Lucene’s new QueryRescorer. Query Re-Ranking Explained: Solr offers a … Continued

Solr’s New RankQuery API

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Coming in Solr 4.9 is a new RankQuery API. Before diving into how the RankQuery API works, I’ll give a little background into how ranking works in Lucene/Solr. A Lucene search can have three parts to it: 1) A Query: … Continued

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