Choosing a fast unique identifier (UUID) for Lucene

Most search applications using Apache Lucene assign a unique id, or primary key, to each indexed document. While Lucene itself…

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Testing Lucene’s index durability after crash or power loss

One of Lucene’s useful transactional features is index durability which ensures that, once you successfully call IndexWriter.commit, even if the…

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Using Lucene’s search server to search Jira issues

You may remember my first blog post describing how the Lucene developers eat our own dog food by using a…

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Finding long tail suggestions using Lucene’s new FreeTextSuggester

Lucene’s suggest module offers a number of fun auto-suggest implementations to give a user live search suggestions as they type…

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Geospatial (distance) faceting using Lucene’s dynamic range facets

There have been several recent, quiet improvements to Lucene that, taken together, have made it surprisingly simple to add geospatial…

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Three exciting Lucene features in one day

Yesterday was a productive day: suddenly, there are three exciting new features coming to Lucene. Expressions module The first feature,…

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Screaming fast Lucene searches using C++ via JNI

At the end of the day, when Lucene executes a query, after the initial setup the true hot-spot is usually…

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Transactional Lucene

Many users don’t appreciate the transactional semantics of Lucene’s APIs and how this can be useful in search applications. For…

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