Hi,
Seems to be an old posting. Were you able to solve this problem. What is
your ifconfig output.
Sunil Sunder Raj
http://daemon.in
From: Tek Bahadur Limbu <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: FreeBSD-6.1 reboots due to high mbufs
Date: Fri, 30 Mar 2007 12:28:58 +0545
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Dear All,
I am quite new to FreeBSD in general and I also don't have much experience
and knowledge as required by this mailing list. I had posted this on
freebsd-questions but till now have not received any kind of feedback which
is fine.
I need some help and suggestions from this mailing list if permissible. I
am sorry if I am posting this to the wrong mailing list.
I have squid proxy server running on a FreeBSD-6.1 (amd) box. I have been
facing this problem for sometime now. It's related to mbufs. For some
reasons, my mbufs usage is extremely high. This high mbufs usage causes
slow responses from Squid and in rare occasions, it even causes my server
to reboot or locks out SSH sessions.
This FreeBSD-6.1 squid box serves about 3000-4000 users.
Server specs are:
Dell 430 Intel(R) Pentium(R) D CPU 3.00GHz-Dual CPU
real memory = 2145959936 (2046 MB)
bge0: <Broadcom BCM5751 Gigabit Ethernet
traffic load: 10Mb/s (through satellite)
[EMAIL PROTECTED] netstat -m
66713/2677/69390 mbufs in use (current/cache/total)
66686/2210/68896/0 mbuf clusters in use (current/cache/total/max)
66686/2178 mbuf+clusters out of packet secondary zone in use
(current/cache)
0/0/0/0 4k (page size) jumbo clusters in use (current/cache/total/max)
0/0/0/0 9k jumbo clusters in use (current/cache/total/max)
0/0/0/0 16k jumbo clusters in use (current/cache/total/max)
150050K/5089K/155139K bytes allocated to network (current/cache/total)
0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
0/0/0 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
/etc/sysctl.conf:
kern.maxfilesperproc=8192
kern.ipc.somaxconn=8192
kern.maxprocperuid=8192
net.inet.ip.portrange.hifirst=10000
net.inet.ip.portrange.first=30000
net.inet.ip.portrange.last=65535
net.inet.tcp.recvspace=65535
net.inet.tcp.sendspace=65535
net.inet.tcp.blackhole=2
net.inet.udp.blackhole=1
net.inet.ip.fw.verbose_limit=5000
net.inet.icmp.icmplim=0
net.inet.tcp.msl=3000
net.isr.direct=1
vfs.read_max=16
/boot/loader.conf:
kern.ipc.nmbclusters=0
kern.maxusers=0
kern.maxfiles=16384
kern.maxproc=8192
Relevant Kernel Options:
options IPFIREWALL
options IPFIREWALL_VERBOSE
options IPFIREWALL_FORWARD
options IPFIREWALL_VERBOSE_LIMIT=5000
options IPFIREWALL_FORWARD_EXTENDED
options MSGMNB=16384
options MSGMNI=41
options MSGSEG=2049
options MSGSSZ=64
options MSGTQL=2048
options SHMSEG=128
options SHMMNI=192
options SHMMAX=33554432
options SHMMIN=1
options SHMALL=8192
options HZ=1000 #Polling Enabled
Note: Running IPFW. Also my other FreeBSD-4.x servers don't seem to suffer
from this problem. They have almost the same IPFW, Squid and Sysctl
configs.
Any feedback and suggestions will be highly appreciated.
Thanking you...
- --
With best regards and good wishes,
Yours sincerely,
Tek Bahadur Limbu
(TAG/TDG Group)
Jwl Systems Department
Worldlink Communications Pvt. Ltd.
Jawalakhel, Nepal
http://www.wlink.com.np
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