Date: 15 Jul 1996 05:17:43 -0400 From: bill@twwells.com (T. William Wells) To: freebsd-questions@freebsd.org Subject: Re: system hangs? after resetting rtq_reallyold Message-ID: <4sd2bn$47f@twwells.com> References: <4scqek$1kr@twwells.com> <199607150758.AAA02464@root.com>
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In article <199607150758.AAA02464@root.com>, David Greenman <davidg@Root.COM> wrote: : It shouldn't be necessary to set NMBCLUSTERS that high on most "normal" : systems. It would take several hundred TCP connections to exhaust 2000 mbuf : clusters. The machine in question is our main shell account server, which also hosts our Web server. A netstat shows the following. At 5AM. 169 CLOSING 65 ESTABLISHED 15 FIN_WAIT_1 5 FIN_WAIT_2 16 LAST_ACK 2 SYN_RCVD 2 SYN_SENT 34 TIME_WAIT During peak hours, I expect two or three times those numbers. The machine hasn't been rebooted in a month; it's used a maximum of 2036 clusters. Web servers in particular are going to want a large number of mbufs.....
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