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From Mihai Caraman <caraman.mi...@gmail.com>
Subject Re: [ANNOUNCE] Apache Lucene 3.4.0 released
Date Tue, 20 Sep 2011 10:57:51 GMT
How can you use the TaxonomyReader in NRT search?

Fantastic job!

2011/9/15 Michael McCandless <mikemccand@apache.org>

> September 14 2011, Apache Luceneā„¢ 3.4.0 available
>
> The Lucene PMC is pleased to announce the release of Apache Lucene 3.4.0.
>
> Apache Lucene is a high-performance, full-featured text search engine
> library written entirely in Java. It is a technology suitable for nearly
> any application that requires full-text search, especially cross-platform.
>
> This release contains numerous bug fixes, optimizations, and
> improvements, some of which are highlighted below.  The release
> is available for immediate download at:
>
>   http://www.apache.org/dyn/closer.cgi/lucene/java (see note below).
>
> If you are already using Apache Lucene 3.1, 3.2 or 3.3, we strongly
> recommend you upgrade to 3.4.0 because of the index corruption bug on
> OS or computer crash or power loss (LUCENE-3418), now fixed in 3.4.0.
>
> See the CHANGES.txt file included with the release for a full list of
> details.
>
> Lucene 3.4.0 Release Highlights:
>
>  * Fixed a major bug (LUCENE-3418) whereby a Lucene index could
>    easily become corrupted if the OS or computer crashed or lost
>    power.
>
>  * Added a new faceting module (contrib/facet) for computing facet
>    counts (both hierarchical and non-hierarchical) at search
>    time (LUCENE-3079).
>
>  * Added a new join module (contrib/join), enabling indexing and
>    searching of nested (parent/child) documents using
>    BlockJoinQuery/Collector (LUCENE-3171).
>
>  * It is now possible to index documents with term frequencies
>    included but without positions (LUCENE-2048); previously
>    omitTermFreqAndPositions always omitted both.
>
>  * The modular QueryParser (contrib/queryparser) can now create
>    NumericRangeQuery.
>
>  * Added SynonymFilter, in contrib/analyzers, to apply multi-word
>    synonyms during indexing or querying, including parsers to read
>    the wordnet and solr synonym formats (LUCENE-3233).
>
>  * You can now control how documents that don't have a value on the
>    sort field should sort (LUCENE-3390), using SortField.setMissingValue.
>
>  * Fixed a case where term vectors could be silently deleted from the
>    index after addIndexes (LUCENE-3402).
>
> Note: The Apache Software Foundation uses an extensive mirroring network
> for
> distributing releases.  It is possible that the mirror you are using may
> not
> have replicated the release yet.  If that is the case, please try another
> mirror.  This also goes for Maven access.
>
> Happy searching,
>
> Apache Lucene/Solr Developers
>
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>
>

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