Date: Tue, 03 Nov 2009 17:37:27 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Tim Chen <gphoto6@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Increasing number of "requests for jumbo clusters denied" in netstat -m Message-ID: <4AF007E7.8080805@rdtc.ru> In-Reply-To: <1f51039c0911030029k7e25e3bcxea941ff542311d59@mail.gmail.com> References: <1f51039c0911030029k7e25e3bcxea941ff542311d59@mail.gmail.com>
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Tim Chen wrote: > That machine is serving as a mail and web server. Recently I found that the > number of "requests for jumbo clusters denied" in netstat -m increases all > the time. > > 1031/3469/4500 mbufs in use (current/cache/total) > 510/3326/3836/32768 mbuf clusters in use (current/cache/total/max) > 510/2278 mbuf+clusters out of packet secondary zone in use (current/cache) > 1/1453/1454/8704 4k (page size) jumbo clusters in use > (current/cache/total/max) > 510/1086/1596/4352 9k jumbo clusters in use (current/cache/total/max) > 0/0/0/2176 16k jumbo clusters in use (current/cache/total/max) > 5871K/23105K/28977K bytes allocated to network (current/cache/total) > 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters) > 0/4337166/0 requests for jumbo clusters denied (4k/9k/16k) > 0/0/0 sfbufs in use (current/peak/max) > 0 requests for sfbufs denied > 0 requests for sfbufs delayed > 0 requests for I/O initiated by sendfile > 0 calls to protocol drain routines Look at "sysctl kern.ipc | fgrep nmb" Just increase limit (if you have enough memory :-)
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