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From Grant Ingersoll <gsing...@apache.org>
Subject Re: A Question About Lucene
Date Fri, 05 Feb 2010 02:05:10 GMT

On Feb 4, 2010, at 7:15 PM, Mohammed Aziz Parande wrote:

> Hi,
> 
> 
> 
> I am a graduate student in the Department of Information Systems at the
> University of Maryland, Baltimore County (UMBC). I am doing research in the
> area of software engineering. I would very much appreciate if you could
> answer the following questions of mine:
> 
> 
> 
> 1. I was wondering if Lucene has gone under any major restructuring/redesign
> initiative in its history. Restructuring/redesign initiative can be defined
> as a concerted effort during a time period in which major changes were
> applied to the code base to improve software architecture/design while
> little or no functional enhancement was made. 

Yes it has gone under a restructuring, but it also had other improvements added.

> 
> 
> 
> 2. If the project has gone under such an initiative, then would it be
> possible for you to give the dates or revision/release numbers that are
> "right before" and "right after" this structuring effort? I would like to
> checkout the source code from the repository to compare structural
> measurements that belong to "before" and "after" snapshots. Note that the
> dates and revision/release numbers should be right before and right after
> the initiative because I would like to be able to isolate and observe the
> effects of this effort. 
> 

See the 2.3.X releases, most notably the reworking of indexing.

HTH,
Grant
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