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From DM Smith <>
Subject Re: SegmentReader instantiation
Date Thu, 21 May 2009 16:00:33 GMT
Michael McCandless wrote:
> On Thu, May 21, 2009 at 10:53 AM, Earwin Burrfoot <> wrote:
>>> I agree we should probably remove it, unless there are users relying
>>> on this.  Maintaining side-by-side sources is difficult with time.
>> As I said in the initial message, this feature introduces no runtime
>> behaviour changes, so you can't really 'rely' on it and break if it's
>> removed.
> Well maybe someone loves the performance improvement... and took
> it further by making their own native code extensions.  I'm not
> sure how much these gains are.  But people can get quite crazy when
> it comes to performance :)
>>> Can you send an email to java-user to take a quick survey on whether
>>> anyone is somehow needing this?
>> Never subscribed there. Too low signal-to-noise ratio. I can, but ..
>> is it a must? :)
> In fact I find many good ideas for improving Lucene come from our
> users, and one can't really understand what's important in Lucene
> without being grounded on how it's used.  "Development" and "using" go
> hand in hand.
> The discussions that take place there spawn still more ideas, and
> following those dicussions causes me to think harder about the areas
> being discussed, so I learn more myself about Lucene and find
> more things to improve and ponder.
> Not to mention when there's a sneaky bug, it usually appears on the
> users list first.  I jump a those ;)
> So, yeah, I think it is a must.  It's likely nobody will respond after
> a few days, then we should remove gcj.
> I'll go ask if anyone is relying on gcj native code on java-user.

Fedora uses Lucene for Eclipse and uses gcj for Eclipse. It might be 
used elsewhere. Don't know if that means they need the gcj stuff in 
Lucene. I just wish they'd rework to use openjdk.

-- DM

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