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From Chris Hostetter <>
Subject Re: [lucy-user] Nutch Index compatibility with Lucy?
Date Mon, 07 May 2012 17:59:21 GMT

: and abandon moving to Perl/Catalyst. It is too bad that all of the Lucene
: based projects are disjointed islands and you are forced to basically stick
: with only one technology once you start.

a) I'm not sure what you mean by "disjointed" .. any project using Lucene 
Core has an index that should be readable by any other project using 
Lucene Core -- there will just be some caveats you have to keep in mind 
(ie: if you want to use Solr with an index you build elsewhere, you have 
to configure Solr with an appropraite schema.xml)

b) Lucy doesn't use Lucene Core - so it's a completley seperate thing

c) The current versions of Nutch, last i heard, do not even build indexes 
directly using the Lucene Core -- instead nutch focuses on the crawling, 
and then uses an indexer to push the crawled/parsed documents to Solr for 
searching -- so you could probably use Nutch with Lucy very easily by 
hooking into that pipeline.  Either replace the "SolrIndexer" in nutch 
with something that writes directly to a Lucy index, or use the 
"SolrIndexer" as is and write a little app that emulates the Solr HTTP 
interface and writes to Lucy...


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