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The "bin/nutch_generate" page has been changed by LewisJohnMcgibbney: http://wiki.apache.org/nutch/bin/nutch_generate?action=diff&rev1=12&rev2=13 '''[-topN N]''': Where N is the number of top URLs to be selected. Normally, the "generate" command prepares a fetchlist out of all unfetched pages, or the ones where fetch interval already expired. But if you use -topN, then instead of all unfetched urls you only get N urls with the highest score - potentially the most interesting ones, which should be prioritized in fetching. - '''[-numFetchers numFetchers]''': The number of fetch partitions. Default: Configuration key -> mapred.map.tasks -> 1 + '''[-numFetchers numFetchers]''': The number of fetch partitions. Default: Configuration key -> mapred.map.tasks -> 1 (in local mode), possibly multiple in deploy/distributed mode. '''[-adddays numDays]''': Adds <days> to the current time to facilitate crawling urls already fetched sooner then db.default.fetch.interval. Default: 0
