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From "Mattmann, Chris A (388J)" <>
Subject Re: Nutch, Solr and Lucene architecture diagrams
Date Thu, 22 Apr 2010 18:04:51 GMT
Hi Grant,

I've attached one for Nutch from a while back that I made for a lecture I gave at USC.


On 4/22/10 10:56 AM, "Grant Ignersoll" <> wrote:

Hi All,

The ASF has been asked by an Industry Analyst group (to remain unnamed at this point) to provide
information about Lucene and related technologies (Solr, Nutch).  As the PMC Chair and in
conjunction with the ASF Press and Marketing group (as well as some informal IRC chatter),
I have answered most of the questions (many are commercially oriented, so they don't really
apply), but I really need community help on one in particular, and I need it very soon, so
I'm hoping people from both Lucene, Nutch and Solr will step up and help out here.

The question is:

Briefly describe the architecture of the solution and include a diagram if available.


I can handle the description, but I am not aware of any publicly available diagrams describing
the architectures of these three technologies.  Thus, I'm asking for:
1.) A pointer to one that I missed and that the author is willing to donate or,
2.) Some Volunteers to draw them up

What I am looking for is some high level architecture diagrams describing the three technologies.

In either case, they will be immensely helpful for the community beyond just this immediate
need for documentation purposes.

If you can provide such information, please attach the image (ideally in a non-lossy format
(.PSD) or a vector format (.svg, .ai, etc.)) to
and make sure you check the box saying you donate it to the ASF.

Can we get this taken care of by Monday, April 26th?

Your help is most appreciated and will really help make sure that Lucene et. al is positively
portrayed going forward.

Thank you,
Grant Ingersoll
Lucene PMC Chair

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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