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https://issues.apache.org/jira/browse/NUTCH-480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ravi Chintakunta updated NUTCH-480:
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Attachment: nutch.zip
A patch that improves Nutch to search multiple indexes with a single instance
of Nutch
> Searching multiple indexes with a single nutch instance
> -------------------------------------------------------
>
> Key: NUTCH-480
> URL: https://issues.apache.org/jira/browse/NUTCH-480
> Project: Nutch
> Issue Type: Improvement
> Components: searcher, web gui
> Affects Versions: 0.8
> Environment: Linux and Windows
> Reporter: Ravi Chintakunta
> Attachments: nutch.zip
>
>
> Searching across multiple indexes with a single instance of Nutch is a cool
> feature improvement. I had this requirement for my production site, where we
> wanted to list the available categories (indexes) to search as check boxes
> and the user could select any combination of indexes to search. The results
> page also displays the number of hits in each index.
> To do this:
> - I modified web.xml to include the paths to various search indexes
> - Modified Nutch.java to read all the indexes and create IndexReaders
> - Modified IndexSearcher.java to handle multiple IndexReaders
> In the attached file you will find the patch to the Nutch 0.8 code base and
> also the newly added files:
> - SearchServlet - a servlet that is the web interface for search. This is
> simplified version of jsp versions (without the i18n) and outputs the results
> in text, xml or json format.
> - SearchConstants - an interface for messages and constants
> Please note that the patch includes the functionality for spell check - aka
> "Did you mean?"
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