Benchmark and a testbed proxy server
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                 Key: NUTCH-863
                 URL: https://issues.apache.org/jira/browse/NUTCH-863
             Project: Nutch
          Issue Type: New Feature
    Affects Versions: 2.0
            Reporter: Andrzej Bialecki 
            Assignee: Andrzej Bialecki 


This issue adds two components:

* a testbed proxy server that can serve various content: pre-fetched Nutch 
segments, forward requests to original URLs, or create a lot of unique but 
predictable fake content (with outlinks) on the fly.
* a simple Benchmark class to measure the time taken to complete several crawl 
cycles using fake content.
* 'ant proxy' and 'ant benchmark' targets to execute a benchmark run.

Together these tools should provide a more or less objective method to measure 
the end-to-end crawl performance. This initial version can be further 
instrumented to collect statistics about various stages of data processing.

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