I don't see any major issues to date and am using it in a refactoring of our search infrastructure to support near-real time searching.
You should be able to drop it in as a replacement for 2.4, however you may see a handful of deprecation warnings. Internally there are a LOT of changes, but from an indexing & querying interface perspective there are only a few. One thing to be aware of is in querying a numeric field for a specific value as opposed to using a NumericRangeQuery. To create the query you will need to encode the string using the Lucene.Net.Util.NumericUtils. For an example of how to encode the values check out the classes "AnonymousClass<xx>Parser1" in FieldCache.cs where <xx> is Int, Long, Float, or Double. These classes are used by the FieldCache when parsing out the terms. Michael -----Original Message----- From: Markus Wolters [mailto:mar...@naxma.com] Sent: Thursday, December 10, 2009 2:04 PM To: lucene-net-user@incubator.apache.org Subject: AW: Safe to use Release 2.9.1 Beta for production? We're going to start in beta state anyways, so it would not too harmful if there are any minor bugs in lucene.net. Michael, do you think, there might be any major issues in 2.9.1? How much code changed since 2.4.X? Markus -----Ursprüngliche Nachricht----- Von: Michael Garski [mailto:mgar...@myspace-inc.com] Gesendet: Donnerstag, 10. Dezember 2009 19:58 An: lucene-net-user@incubator.apache.org Betreff: RE: Safe to use Release 2.9.1 Beta for production? I've been working with 2.9.1 for the last two weeks and have encountered no issues. Numeric fields work great and are a significant performance improvement over the classic string-based range queries. Michael -----Original Message----- From: Markus Wolters [mailto:mar...@naxma.com] Sent: Thursday, December 10, 2009 12:41 AM To: lucene-net-user@incubator.apache.org Subject: AW: Safe to use Release 2.9.1 Beta for production? I am going to use Lucene for a new public community portal. I would love to be the one, who tests 2.9.1 for production, but I think, before that Michael should test at least the numeric fields feature as he said. Markus -----Ursprüngliche Nachricht----- Von: George Aroush [mailto:geo...@aroush.net] Gesendet: Donnerstag, 10. Dezember 2009 04:19 An: lucene-net-user@incubator.apache.org Betreff: RE: Safe to use Release 2.9.1 Beta for production? I really want to see folks using 2.9.1, if possible, in production too. It's the only way we can be sure of its quality. And yes, all NUnit test are passing but I want to see how it's doing outside NUnit too. -- George -----Original Message----- From: Markus Wolters [mailto:mar...@naxma.com] Sent: Wednesday, December 09, 2009 3:42 AM To: lucene-net-user@incubator.apache.org Subject: AW: Safe to use Release 2.9.1 Beta for production? I actually need especially the numeric range feature, because I've got a fulltext search within a specified distance, so I need to filter the results by spatial data. Is the Lucene Spatial contrib the right way to go? It's been ported by Roger Chapman. Markus -----Ursprüngliche Nachricht----- Von: Michael Garski [mailto:mgar...@myspace-inc.com] Gesendet: Mittwoch, 9. Dezember 2009 02:26 An: lucene-net-user@incubator.apache.org Betreff: RE: Safe to use Release 2.9.1 Beta for production? Two of the features I've been looking forward to and am now testing are numeric fields, which provide significant performance improvements on numeric range queries, and the underlying change to per-segment searching and caching. The latter sounds rather innocuous at first glance, but when coupled with a custom merge policy can improve heap utilization for large indexes. You can certainly build your application against 2.4 and then migrate to 2.9 at a later time if you are under time constraints to deliver something quickly. Michael -----Original Message----- From: Markus Wolters [mailto:mar...@naxma.com] Sent: Tuesday, December 08, 2009 1:24 PM To: lucene-net-user@incubator.apache.org Subject: AW: Safe to use Release 2.9.1 Beta for production? Thanks for your advice. Are there any mature features I might miss when using version 2.4.0? Markus -----Ursprüngliche Nachricht----- Von: x...@mail.ru [mailto:x...@mail.ru] Gesendet: Dienstag, 8. Dezember 2009 18:23 An: lucene-net-user@incubator.apache.org Betreff: Re: Safe to use Release 2.9.1 Beta for production? I would not recommend use 2.9.1 in the production right now (it may be ok, but may not). It is safer to use 2.4.0. --- Andrei Markus Wolters wrote: > Hi @all, > > > > I'm new to Lucene(.NET) and want to include it into my current ASP.NET > project I'm working on to support fuzzy full-text searches. > > > > I am unsure which version to use. Is it safe already to use the /trunk > version, which is 2.9.1 Beta right now? Or should I better use the tag > 2.4.0? I need special querys including spatial data, so I thought the > latest versions would be a good starting point... > > > > Anyways, keep up the good work! > > > > I did some comparison to Sphinx and Xapian, but I think at least for me, > Lucene is the right way to go. > > > > Cheers, > > Markus > > > > >
