Date: Thu, 21 May 1998 21:37:44 -0700 From: David Greenman <dg@root.com> To: Mark Mayo <mark@vmunix.com> Cc: isp@FreeBSD.ORG, hackers@FreeBSD.ORG Subject: Re: TIME_WAIT/FIN_WAIT_2... Message-ID: <199805220437.VAA28329@implode.root.com> In-Reply-To: Your message of "Thu, 21 May 1998 23:09:48 EDT." <19980521230948.A23199@vmunix.com>
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>Hi all.. I have a few questions about large web servers. I've run a >few relatively large web sites on freebsd in the past, but none that >put out more than 300-400,000 objects per day (html+gif..). I've been >looking at a Solaris machine today that's putting out about 2 million >pages a day. The somewhat odd thing is the extraordinary number of >sockets left open in TIME_WAIT and FIN_WAIT_2. I roughly understand >what they mean, but we're talking about 3000 entries here (about 400-500 >of which are FIN_WAIT_2, the rest are TIME_WAIT).. So I have ~3000 >sockets in TIME_WAIT/FIN and only about 100 ESTABLISHED. > >Is this normal?? It doesn't seem like it to me. If not, what would be >causing it, and what should I look at tuning on the Slowaris box?? > >TIA for any ideas! All I know is that I just don't trust sockets on >Solaris... :-) It's normal and required by the TCP specification. FreeBSD will do the same thing in the this situation. -DG David Greenman Co-founder/Principal Architect, The FreeBSD Project To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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