this is great. this means that if we gonna improve the search, can we focus more on Lucene - and have only one engine, instead of two?
On Fri, Sep 25, 2009 at 19:21, Vincent Massol <[email protected]> wrote: > fyi > -Vincent > > Begin forwarded message: > > > From: Mark Miller <[email protected]> > > Date: September 25, 2009 6:15:57 PM CEDT > > To: [email protected] > > Subject: The Release of Lucene 2.9 > > Reply-To: [email protected] > > > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA512 > > > > Hello Lucene users, > > > > On behalf of the Lucene dev community (a growing community far larger > > than just the committers) I would like to announce the release of > > Lucene 2.9. > > > > While we generally try and maintain full backwards compatibility > > between major versions, Lucene 2.9 has a variety of breaks that are > > spelled out in the 'Changes in backwards compatibility policy' section > > of CHANGES.txt. > > > > We recommend that you recompile your application with Lucene 2.9 > > rather than attempting to “drop” it in. This will alert you to any > > issues you may have to fix if you are affected by one of the backward > > compatibility breaks. As always, its a really good idea to thoroughly > > read CHANGES.txt before upgrading. > > > > 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) > > > > * Near real-time search capabilities added to IndexWriter > > > > * New Query types > > > > * Smarter, more scalable multi-term queries (wildcard, range, etc) > > > > * A freshly optimized Collector/Scorer API > > > > * Improved Unicode support and the addition of Collation contrib > > > > * A new Attribute based TokenStream API > > > > * A new QueryParser framework in contrib with a core QueryParser > > replacement impl included. > > > > * Scoring is now optional when sorting by Field, or using a custom > > Collector, gaining sizable performance when scores are not > > required. > > > > * New analyzers (PersianAnalyzer, ArabicAnalyzer, > > SmartChineseAnalyzer) > > > > * New fast-vector-highlighter for large documents > > > > * Lucene now includes high-performance handling of numeric fields. > > Such fields are indexed with a trie structure, enabling simple to > > use and much faster numeric range searching without having to > > externally pre-process numeric values into textual values. > > > > --- > > > > And many, many more features, bug fixes, optimizations, and various > > improvements. You can find the full list of changes here: > > > > http://lucene.apache.org/java/2_9_0/changes/Changes.html > > > > > > Many changes have also occurred in Lucene's Contrib area: > > > > http://lucene.apache.org/java/2_9_0/changes/Contrib-Changes.html > > > > > > Binary and source distributions are available at > > http://www.apache.org/dyn/closer.cgi/lucene/java/ > > > > Lucene artifacts are also available in the Maven2 repository at > > http://repo1.maven.org/maven2/org/apache/lucene/ > > > > The Next Release: > > > > The next release will be Lucene 3.0. This should come along shortly, > > and will > > remove all of the deprecated code in Lucene 2.9. Lucene 3.0 will also > > be the > > first release to move from Java 1.4 to Java 1.5 as a requirement. > > > > > > Thanks, > > > > Mark Miller > > -----BEGIN PGP SIGNATURE----- > > Version: GnuPG v1.4.9 (GNU/Linux) > > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > > > iQIcBAEBCgAGBQJKvOy9AAoJEBMFmEzrAZn4rmYP/AsmtlRAOZzCUyGo83pkYyPx > > kR2XdaZPUN8Le5RdaW2BuYtm+i3OLhsLFrWeJwCm/DrFM7tTlwLtFGFnYyga3BM6 > > L+TCVmgMOke1Mo36E/Sjn6+aPcXLZK/HMb5EHuoYpZZAk7Vx+jsWmTpHPvP5HR4t > > ZXNa6CT9wjaK1iV7nvaJnifC5QjPeDncM2qOQWF5wLY26eS/G7a4dXJOsl6IHP7z > > uJ2j7fxMSucvSGOzWNjW9SouymVuYqL5m4KyEeiqwUlGvHPfLn1AySmCYClEhSL1 > > 5kI0Fmr6z6duPY/LKvTNVTe2S1tQS8DKErtOP2vbclglvuw//dqp/cbjvjP8oTZg > > 5B610ehDBNwmKN5DAq8v1PAj0vGj1ygk9hotXFcjGlnEEoTCPegh1P3lg0t0LKlk > > vBt5GJC61+8dJMs0BXRznSESV8dl7IjjBzfnGiEqQS1sSGBGxAzgUHaOrVnHW/vh > > BfaNwzqFguYvOXMzV8DkwQPpXMOxDMDEHKjAKj3SSYsIAIPLbRP0XwkU2Y6csfoP > > rrom1+fZEkNFd/qbQw2i7xhvX1LmShlT6GYezkR9St+fSoWzg2Js44dSpDAYYh33 > > 3Ngz6koNyZVCfcwz1oOMI5yz+oD98OICxyG0j/m6w8RtEAhsUE07tX/LEvHp0HPZ > > uF1TIGPZcQbC4g3yf8Kz > > =WImG > > -----END PGP SIGNATURE----- > > > > _______________________________________________ > devs mailing list > [email protected] > http://lists.xwiki.org/mailman/listinfo/devs > _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs
