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About Nutch


Nutch is open source web-search software. It builds on Lucene and Solr, adding web-specifics, such as a crawler, a link-graph database, parsers for HTML and other document formats, etc.

Nutch can run on a single machine, but gains a lot of its strength from running in a Hadoop cluster

The system can be enhanced (eg other document formats can be parsed) using a plugin mechanism.

For more information about Nutch, please see the Nutch wiki.