While working on a customer project recently we found a very large field that was stored unnecessarily in the Lucene index, taking up a lot of space. As it would have taken a very long time to re-index (there are tens of millions of complex documents in this case) we looked for a way to remove the stored field in-place. There's an interesting set of slides from last year's Apache Lucene Eurocon which discuss this kind of Lucene index pos...Continue reading