Oleg Bulyzhin wrote:
On Wed, Oct 07, 2009 at 02:23:47PM +0500, rihad wrote:
Few questions:
1) why are you not using fastforwarding?
2) search_steps/searches ratio is not that good, are you using 'buckets'
keyword in your pipe configuration?
3) you have net.inet.ip.fw.one_pass = 0, is it intended?
1) and 3): the box does traffic accounting and shaping, so I need
one_pass=0 to do both ngtee and pipes.
2) Hm, I'm not using "buckets", but rather
net.inet.ip.dummynet.hash_size. It's at default, 64. I've tried setting
net.inet.ip.dummynet.hash_size=65536 in sysctl.conf but somehow it was
still 64 after reboot, so I left it at 64. Should I make it 128? 256?
Does it matter that much? The load is at approx. 70-120 consumers per
pipe, so I thought 64 bucket size was enough. Here's how I've been
monitoring the pipe load interactively:
#!/usr/local/bin/bash
while :; do
(
buff="$(ipfw pipe show | grep -E '^[[:digit:]]+:' | sort -n
-k8,8 -r)"
online="$(mysql -Bs -u... -p... dbname -e"select count(*) from
online")"
clear
echo "$buff"
echo "$buff" | awk '{sum+=$8} END {printf "QLoad: %d/%d\n",
sum, '"$online"'}'
netstat -m | fgrep -w 'mbuf clusters in use'
) | dd 2>/dev/null
if [ -t 0 ]; then
read -s -n 1 -t 15
else
sleep 15
fi
done
Public domain ;-)
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