Performance problems with vertical/focused web crawlingOver at the Nutch mailing list, there are regular posts complaining about the performance of the new queue-based fetcher (aka Fetcher2) that became the default fetcher when Nutch 1.0 was released. For example: Not sure if that problem is solved, I have it and reported it in a previous thread. Extremely fast fetch at the beginning and damn slow fetches after a while. There’s also a Jira issue (NUTC
