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https://issues.apache.org/jira/browse/NUTCH-207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lewis John McGibbney updated NUTCH-207:
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Patch Info: Patch Available
Fix Version/s: 1.7
> Bandwidth target for fetcher rather than a thread count
> -------------------------------------------------------
>
> Key: NUTCH-207
> URL: https://issues.apache.org/jira/browse/NUTCH-207
> Project: Nutch
> Issue Type: New Feature
> Components: fetcher
> Affects Versions: 0.8
> Reporter: Rod Taylor
> Fix For: 1.7
>
> Attachments: ratelimit.patch
>
>
> Increases or decreases the number of threads from the starting value
> (fetcher.threads.fetch) up to a maximum (fetcher.threads.maximum) to achieve
> a target bandwidth (fetcher.threads.bandwidth).
> It seems to be able to keep within 10% of the target bandwidth even when
> large numbers of errors are found or when a number of large pages is run
> across.
> To achieve more accurate tracking Nutch should keep track of protocol
> overhead as well as the volume of pages downloaded.
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