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IBM + Vivisimo = Big Data… REALLY?

Recently IBM announced they had acquired Vivisimo to enable search in their Big Data software stack. Reading the press reviews...
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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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Stump The Chump Updates

For those of you not following the Lucene Revolution Blog I've posted some updates there about Stump The Chump over...
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Once a Chump, Always a Chump

The first time I ever presented at an "International Tech Conference" was ApacheCon 2006 in Austin TX. Even though there...
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What is the big deal about BIG DATA?

There was a video that came out a few years ago called “Did you Know”? If you haven’t seen it,...
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Memory comparisons between Solr 3x and trunk

Or, "Trunk can use about 1/3 of the memory required by 3.x" Please note that these tests were created with...
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Dates, date boosting, and NOW

More NOW evil Prompted by a subtle issue a client raised, I was thinking about date boosting. According to the...
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14 Ways to Contribute to Solr without Being a Programming Genius or a Rock Star

Last week, the venerable Andy Lester posted his "14 Ways to Contribute to Open Source without Being a Programming Genius...
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Improve Cached Filter Query Results

Or "How to never re-use cached filter query results even though you meant to": Filter queries ("fq" clauses) are a...
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How Solr’s Post Filter Works

In this post, I’m going to provide a concrete example of custom post filtering for the case of filtering documents based on access control lists.
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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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Solr Feature Comparison

General Solr Features Based on Apache Lucene Search Library Complete query capabilities, such as keyword, Boolean and +/- queries. Also...
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