Date: Wed, 14 Mar 2012 10:45:05 -0500 From: "Dean E. Weimer" <dweimer@dweimer.net> To: <freebsd-questions@freebsd.org> Subject: flowcleaner running away with CPU Message-ID: <c74b4a017f62af0b7fb2809055fc7c3b@www.dweimer.net>
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I have a FreeBSD 8.2-REALEASE-p5 system that is running as a Squid
proxy server, after some complaints for internet performance I logged
into the system to take a look, and discovered the flowcleaner process
is consuming 100% on one CPU. I did some searching, and have discovered
that there have been some bugs in the past with this, and found the
flowing command listed as a work around.
sysctl net.inet.flowtable.enable=0
I tried this, but there was no change, is this something that has to be
done in the sysctl.conf configuration file that doesn't take effect
until a reboot? Or is there a process I can restart that will at least
temporarily resolve this issue without completely interrupting internet
traffic for a few hundred users?
last pid: 51636; load averages: 1.03, 1.10, 1.09
up 50+02:41:37 10:35:09
89 processes: 4 running, 71 sleeping, 14 waiting
CPU: 0.4% user, 0.0% nice, 49.7% system, 0.6% interrupt, 49.3% idle
Mem: 722M Active, 765M Inact, 415M Wired, 24M Cache, 213M Buf, 47M Free
Swap: 4061M Total, 212K Used, 4061M Free
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU
COMMAND
11 root 2 171 ki31 0K 32K RUN 0 2019.8 100.00%
idle
19 root 1 76 - 0K 16K CPU0 0 349.3H 100.00%
flowcleaner
58759 squid 1 45 0 626M 594M select 0 683:15 2.98%
squid
0 root 7 8 0 0K 96K - 1 1510.7 0.00%
kernel
12 root 14 -60 - 0K 224K WAIT 1 362:54 0.00% intr
17 root 1 44 - 0K 16K syncer 1 61:43 0.00%
syncer
1095 root 1 44 0 96672K 75432K select 1 36:11 0.00%
vmtoolsd
13 root 1 -16 - 0K 16K - 1 16:10 0.00%
yarrow
--
Thanks,
Dean E. Weimer
dweimer@dweimer.net
http://www.dweimer.net/
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