Articles by Mark Miller

Blog

Lucene 2.9.1 about to be released

Lucene 2.9.1 should hit the streets this week. 2.9.1 will be a bug fix release and includes a number of...
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Blog

Lucene 2.9 is released

Hello Lucene users, On behalf of the Lucene dev community (a growing community far larger than just the committers) I...
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Contrived FieldCache Load Test: Lucene 2.4 VS Lucene 2.9

*edit* Sorry - jumped the gun with my original test code here - need to close the IndexWriter after the...
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What Is the SpanQuery?

SpanQuerys allow for nested, positional restrictions when matching documents in Lucene. SpanQuery's are much like PhraseQuerys or MultiPhraseQuerys in that...
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Bringing the Highlighter back to Wildcard Queries in Solr 1.4

Solr 1.3 and 1.4 moved away from using BooleanQuery expansion for MultiTerm queries and to a ConstantScoreQuery method. In Lucene,...
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Apache better than GPL for open-source business?

Matt Asay explores an idea that has crossed my mind more than once - the Apache license is pretty nice.
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Blog

Real-time Search With Lucene

Real-time search is kind of a fuzzy concept, but basically it means dropping the time a modification to an index...
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Blog

New Version of Luke Released

Luke, the very popular Lucene index exploration and modification tool, has released a new version, 0.9.2. Changes in v. 0.9.2...
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Lucene 2.4.1 Released

Lucene 2.4.1 has been released. Lucene 2.4.1 is a bug fix release and Lucene 2.9 will follow next.
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Exploring Lucene’s Indexing Code: Part 1

Next: Exploring Lucene's Indexing Code: Part 2 While I have mucked around quite a bit in the search side code...
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UK Government Backs Open Source

Is it just me, or does a different Government body around the world push towards open source like every other...
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Blog

Exploring Query Parsers

There are a surprising number of query parser options in the Lucene/Solr world – not something I realized very quickly...
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