核心提示:Hello Lucene users,On behalf of the Lucene dev community (a growing community far largerthan just the committers) I would like to announce the release...
Hello Lucene users,On behalf of the Lucene dev community (a growing community far larger
than just the committers
Lucene 2.9.
While we generally try and maintain full backwards compatibil
between major versions, Lucene 2.9 has a variety of breaks that are
spelled out in the 'Changes in backwards compatibil
of CHANGES.tx
We recommend that you recompile your applicatio
rather than attempting
issues you may have to fix if you are affected by one of the backward
compatibil
read CHANGES.tx
Lucene 2.9 comes with a bevy of new features, including:
* Per segment searching and caching (can lead to much faster reopen
among other things)
搜索速度得到很大的提
* Near real-time search capabiliti
接近于实时搜索的写入
* New Query types
* Smarter, more scalable multi-term
* A freshly optimized Collector/
* Improved Unicode support and the addition of Collation contrib
* A new Attribute based TokenStrea
* A new QueryParse
replacemen
* Scoring is now optional when sorting by Field, or using a custom
Collector,
required.
* New analyzers (PersianAn
SmartChine
新的分析器
* New fast-vecto
新的高亮算法
* Lucene now includes high-perfo
Such fields are indexed with a trie structure,
use and much faster numeric range searching without having to
externally
---
And many, many more features, bug fixes, optimizati
improvemen
http://luc
Many changes have also occurred in Lucene's Contrib area:
http://luc
Binary and source distributi
http://www
Lucene artifacts are also available in the Maven2 repository
http://rep
The Next Release:
The next release will be Lucene 3.0. This should come along shortly,
and will
remove all of the deprecated
be the
first release to move from Java 1.4 to Java 1.5 as a requiremen
Thanks,