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From "Mattmann, Chris A (388J)" <>
Subject Re: Lucene & Solr a one way street?
Date Sun, 13 Mar 2011 16:13:59 GMT
On Mar 13, 2011, at 8:47 AM, Grant Ingersoll wrote:

> On Mar 13, 2011, at 10:23 AM, Simon Willnauer wrote:
>> Hey folks,
>> I have recently tried to push some refactorings towards moving stuff
>> from Solr to modules land to enable users of Lucene to benefit from
>> the developments that have been made in Solr land during the past with
>> very little success. Actually, it was a really disappointing
>> experience whenever  I tried to kick off issues towards this
>> direction. On LUCENE-2308 David asked a good question why FieldType is
>> not ported to Lucene rather than a new development.
>> I replied with:
>> {quote}
>> Moving stuff from Solr to Lucene involves lots of politics. It is way
>> easier to let Solr adopt eventually than fight your way through the
>> politics (this is my opinion though.)
>> {quote}
>> Moving features to modules should be first priority and please correct
>> me if I am wrong this was one of the major reason why we merged the
>> code base.
> I don't think it is a first priority, but it is a benefit.  I also don't think it was
the majority reason for the merge.  I think the majority reason was that most of the Solr
committers were also Lucene committers and there was a fair amount of duplicated work and
a desire to be on the same version.  Modularization was/is also a benefit.

Actually the whole merge discussion started because Mike wanted to modularize the analysis
code and create modules.

It's right there:

Whether since then it's not been first priority or not is of course debatable, but it's at
least what kicked off the discussion and eventual action.


Chris Mattmann, Ph.D.
Senior Computer Scientist
NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
Office: 171-266B, Mailstop: 171-246
Adjunct Assistant Professor, Computer Science Department
University of Southern California, Los Angeles, CA 90089 USA

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