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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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SolrCloud is Coming (and looking to mix in even more ‘NoSQL’)

The second phase of SolrCloud has been in full swing for a couple of months now and it looks like...
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Companies Using Lucene/Solr

AOL is using Solr to power its channels. www.aol.com Apple is using Solr. www.apple.com BUY.com's international sites are powered by...
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Lucidworks Enterprise latest version 2.0.1 released!

Lucidworks Enterprise 2.0.1 is an interim bug-fix release. We have resolved a couple of critical bugs and LDAP integration issues....
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Boolean Operators for Solr Users

The following is written with Solr users in mind, but the principles apply to Lucene users as well. EDITED: 2017-05-19...
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How to Tune Document’s Relevance in Solr

Working at Lucid Imagination a customer once asked me about how they could modify the score of the documents in...
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CV Ruby Enthusiasts Group-SOLR: Searching on Lucene with Ruby

Last minute mention, in case you happen to be in the Central VA area (Richmond and surrounding areas) tomorrow night......
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What’s with lowercasing wildcard (multiterm) queries in Solr?

Wildcard query terms aren't analyzed, why is that? Prior to the current 3x branch (which will be released as 3.6)...
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