Articles by Yonik Seeley

Blog

Faceted Search With Solr

Examples and tutorial on how to implement faceted search queries in Apache Solr.
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Blog

Solr 4 preview: SolrCloud, NoSQL, and more

The first alpha release of Solr 4 is quickly approaching, bringing powerful new features to enhance existing Solr powered applications, as well...
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Advanced Filter Caching in Solr

Advanced Filter Caching is a relatively new feature in Solr, available in version 3.4 and above. It allows precise control...
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MurmurHash3 for Java

Background I needed a really good hash function for the distributed indexing we're implementing for Solr. Since it will be...
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Solr’s Realtime Get

Solr took another step toward increasing its NoSQL datastore capabilities, with the addition of realtime get. Background As readers probably...
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Solr relevancy function queries

Lucene's default ranking function uses factors such as tf, idf, and norm to help calculate relevancy scores. Solr has now...
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Solr Result Grouping / Field Collapsing Improvements

I previously introduced Solr's Result Grouping, also called Field Collapsing, that limits the number of documents shown for each “group”,...
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Indexing JSON in Solr 3.1

Solr has been able to produce JSON results for a long time, by adding wt=json to any query. A new...
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Solr Result Grouping / Field Collapsing

Result Grouping, also called Field Collapsing, has been committed to Solr! This functionality limits the number of documents for each...
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Blog

Solr CSV Output

Solr has been able to slurp in CSV for quite some time, and now I’ve finally got around to adding the ability to output query results in CSV also.
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Apache Solr 1.4 is officially released

After many months of hard work, Solr 1.4 is completed and released. To learn more about the 1.4 release, check...
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Nested Queries in Solr

The ability to nest an arbitrary query type inside another query type is a useful feature that was quietly added...
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