Launching Distributed Searchers with URI indicating filesystem to use rather 
than relying on hadoop config files.
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                 Key: NUTCH-638
                 URL: https://issues.apache.org/jira/browse/NUTCH-638
             Project: Nutch
          Issue Type: Improvement
          Components: searcher
    Affects Versions: 1.0.0
            Reporter: Aaron Nall
            Priority: Minor


I wanted to conduct all index creation operations in hdfs but search from the 
local file system using the same cluster of machines.  I believe that this is a 
common use case.  

This required either a parallel nutch install or edits (scripted or manual) to 
hadoop-site.xml to change the file system from hdfs to local when starting a 
distributed searcher service.  This minor patch makes IndexSearcher and 
NutchBean honor URIs as supported by hadoop 0.17 without altering existing 
functionality if simple paths are entered.

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