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From Mark Miller <markrmil...@gmail.com>
Subject Re: Lucene 2.9 RC4 now available for testing
Date Tue, 15 Sep 2009 00:30:49 GMT
To be nit picky - I think its been 2.5 weeks.

I feel pretty good about 2.9 myself at this point though.

Mark Miller wrote:
> We certainly could - only thought I would have is that we do want RC4 to
> get a little exposure if possible (though at this point, I don't see
> more than a couple days being needed, and we have had one or two).
>
> I'll go when you guys say go.
>
> - Mark
>
> Yonik Seeley wrote:
>   
>> We could cut a *real* release candidate that we could VOTE on soon,
>> right?  It's bee 3.5 weeks since the first release candidate.
>>
>> -Yonik
>> http://www.lucidimagination.com
>>
>>
>> On Sun, Sep 13, 2009 at 10:06 AM, Mark Miller <markrmiller@gmail.com>
>>     
> wrote:
>   
>> 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 fourth release
>> candidate for Lucene 2.9.
>>
>> Please download and check it out - take it for a spin and kick the
>> tires. If all goes well, we hope to release the final version of
>> Lucene 2.9 very shortly.
>>
>> We let out a bug in the lock factory changes we made in RC3 -
>> making a new SimpleFSDirectory with a String param would throw
>> an illegal state exception - a fix for this is in RC4. We also
>> took the opportunity to add a few more documentation improvements,
>> take care of another another minor bug fix or two, and move the
>> message package from contrib queryParser to core.
>>
>> 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. Also, remember that this is a
>> release candidate, and not the final Lucene 2.9 release.
>>
>> 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
>>
>>  * 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:
>>
>> HTML version:
>> http://people.apache.org/~markrmiller/staging-area/lucene2.9changes/Changes.html
>>
>> Text version:
>> http://people.apache.org/~markrmiller/staging-area/lucene2.9changes/CHANGES.txt
>>
>> Many changes have also occurred in Lucene's Contrib area:
>>
>> HTML version:
>> http://people.apache.org/~markrmiller/staging-area/lucene2.9changes/Contrib-Changes.html
>>
>> Text version:
>> http://people.apache.org/~markrmiller/staging-area/lucene2.9changes/CONTRIB-CHANGES.txt
>>
>>
>> Download release candidate 4 here:
>> http://people.apache.org/~markrmiller/staging-area/lucene2.9rc4/
>>
>> Be sure to report back with any issues you find!
>>
>> Thanks,
>>
>> Mark Miller
>>     
>>>       
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>
>
>
>
>
>
>   


-- 
- Mark

http://www.lucidimagination.com




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