I wouldn't be surprised if it didnt depend on a couple other little issues - Jason or Mike would probably have to tell you that.

It does count a bit on LUCENE-1483 if you want to use it with FieldCaches or cached Filters though. It would still work with 1483, but would be much slower in those cases.

- Mark

George Aroush wrote:
Thanks Mike.

A quick follow up question.  What's the status of
http://issues.apache.org/jira/browse/LUCENE-1313?  Can this work be applied
to Lucene 2.4.1 and still get it's benefit or are there other dependency /
issues with it that prevents us from doing so?

If anyone else knows, I welcome your input.

-- George

-----Original Message-----
From: Michael McCandless [mailto:luc...@mikemccandless.com] Sent: Thursday, April 16, 2009 8:36 AM
To: java-dev@lucene.apache.org
Subject: Re: Lucene 2.9 status (to port to Lucene.Net)

Hi George,

There's been a sudden burst of activity lately on 2.9 development...

I know there are some biggish remaining features we may want to get into 2.9:

  * The new field cache (LUCENE-831; still being iterated/mulled),

  * Possible major rework of Field / Document & index-time vs
    search-time Document

  * Applying filters via random-access API when possible & performant
    (LUCENE-1536)

  * Possible further optimizations to how collection works
   (LUCENE-1593)

  * Maybe breaking core + contrib into a more uniform set of modules
    (and figuring out how Trie(Numeric)RangeQuery/Filter fits in here)
    -- the Modularization uber-thread.

  * Further improvements to near-realtime search (using RAMDir for
    small recently flushed segments)

  * Many other small things and probably some big ones that I'm
    forgetting now :)

So things are still in flux, and I'm really not sure on a release date at this point. Late last year, I was hoping for early this year, but it's no longer early this year ;)

Mike

On Wed, Apr 15, 2009 at 9:17 PM, George Aroush <geo...@aroush.net> wrote:
Hi Folks,

This is George Aroush, I'm one of the committers on Lucene.Net - a port of Java Lucene to C# Lucene.

I'm looking at the current trunk code of yet to be released
Lucene 2.9
and I would like to port it to Lucene.Net. If I do this
now, we get
the benefit of keeping our code base and release dates much
closer to Java Lucene.
However, this comes with a cost of carrying over unfinished work, known defects, and I have to keep an eye on new code that get committed into Java Lucene which must be ported over in a
timely fashion.
To help me determine when is a good time to start the port
-- keep in
mind, I will be taking the latest code off SVN -- I like to
hear from
the Java Lucene committers (and users who are playing or
using Lucene
2.9 off SVN) about those questions:

1) how stable the current code in the trunk is,
2) do you still have feature work to deliver or just bug fixes, and
3) what's your target date to release Java Lucene 2.9

#1 is important, such that is anyone using it in production?

Yes, I did look at the current open issues in JIRA, but
that doesn't
help me answer the above questions.

Regards,

-- George



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--
- Mark

http://www.lucidimagination.com




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