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From Michael McCandless <>
Subject Re: lucene and solr trunk
Date Tue, 16 Mar 2010 22:47:06 GMT
But it's actually the reverse?  Solr depends on Lucene but not vice/versa.

(If instead I proposed making Solr a subdir of Lucene then I'd agree....)

So... if you checkout only lucene, you can cd there and do all you do
today with Lucene ("ant test", "ant dist", "svn diff", etc.).

If you checkout solr, you can cd there and "ant test" will run all of
Lucene's and all of Solr's tests.  "svn diff" will include any changes
to lucene and to solr.

Ie this achieves want we want -- Solr to depend on Lucene but not vice
versa, right?


On Tue, Mar 16, 2010 at 5:18 PM, Shai Erera <> wrote:
> I have to agree w/ Jake that putting Lucene under Solr gives the impression
> as if suddenly Lucene became dependent on it ... and for really no good
> reasons. Are we making that decision to simplify the build of Solr? What are
> the problems Solr faces today w.r.t. its build and using a Lucene release or
> trunk revision?
> I didn't follow the Lucene/Solr merge on general@, because I didn't even
> know such a beast exists. So I guess I'm missing something ...
> Shai
> On Wed, Mar 17, 2010 at 12:01 AM, Jake Mannix <> wrote:
>> On Tue, Mar 16, 2010 at 2:53 PM, Yonik Seeley <> wrote:
>>> > Chiming in just a bit here - isn't there any concern that independent
>>> > of
>>> > whether or not people "can"
>>> > build lucene without checking out solr, the mere fact that Lucene will
>>> > be
>>> > effectively a "subdirectory"
>>> > of solr...  is there no concern that there will then be a perception
>>> > that Lucene is a subproject of
>>> > Solr, instead of vice-versa?
>>> Who would have this perception?
>>> Casual users will be using downloads.
>> Developers and dev managers at companies doing build vs. buy decisions
>> regarding
>> whether they will do one of the following:
>> 1) pay big bucks to get FAST or whatever
>> 2) use Solr (free/cheap!)
>> 3) pay [variable] bucks to build their own with Lucene
>> 4) pay [variable but high] to build their own from scratch
>> I'm not concerned with casual downloaders.  I'm talking about the
>> companies and people who
>> may or may not be interested in making multi-million dollar decisions
>> regarding using or
>> not using Lucene or Solr.
>>   -jake

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