Thanks for your reply JDK's gc? but it wasn't use much memory. Brian Demers wrote: > > Have you tried to change the gc options? > > On 8/9/07, purpureleaf <[EMAIL PROTECTED]> wrote: >> >> Hi, I have worked with nutch for sometime. One thing I am always curious >> is >> when crawling, fetcher's speed will get slower and slower, no matter what >> configuration I use. >> My last test get this: ( just one site to make the problem more simple) >> >> OS : winxp >> java : 1.6.0.2 >> nutch: 0.9 >> cpu : AMD 1800 >> mem : 1G >> network : 3m adsl >> >> site : wikipedia.org >> threads per site :30 >> server.delay : 0.5 >> >> It starts about 6page/s, but reduce to 4 in some minutes, then get slower >> and slower. I have run it for 8 hours, just 2page/s left, and it was till >> slowing down. >> But if I stop it and start one other, it returns full speed (then slows >> down >> again). I am ok with 2 pages/s for one site, but I do hope it will keep >> that >> speed. >> >> I found there are some guys in this list has the same problem. But I >> can't >> find an answer. >> If nutch designed to work this way? >> >> Thanks! >> -- >> View this message in context: >> http://www.nabble.com/Fetcher-get-slower-and-slower-in-one-run-of-crawling-tf4241580.html#a12069282 >> Sent from the Nutch - User mailing list archive at Nabble.com. >> >> > >
-- View this message in context: http://www.nabble.com/Fetcher-get-slower-and-slower-in-one-run-of-crawling-tf4241580.html#a12073216 Sent from the Nutch - User mailing list archive at Nabble.com.
