Hi there, I am running squid 2.5 on freebsd 7, and my squid box respond very slow during peak hours. my squid machine have twin dual core processors, 4 ram and following hdds. Filesystem Size Used Avail Capacity Mounted on /dev/da0s1a 9.7G 241M 8.7G 3% / devfs 1.0K 1.0K 0B 100% /dev /dev/da0s1f 73G 35G 32G 52% /cache1 /dev/da0s1g 73G 2.0G 65G 3% /cache2 /dev/da0s1e 39G 2.5G 33G 7% /usr /dev/da0s1d 58G 6.4G 47G 12% /var below are the status and settings i have done. i need further guidance to improve the box. last pid: 50046; load averages: 1.02, 1.07, 1.02 up 7+20:35:29 15:21:42 26 processes: 2 running, 24 sleeping CPU states: 25.4% user, 0.0% nice, 1.3% system, 0.8% interrupt, 72.5% idle Mem: 378M Active, 1327M Inact, 192M Wired, 98M Cache, 112M Buf, 3708K Free Swap: 4096M Total, 20K Used, 4096M Free PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 49819 sbt 1 105 0 360M 351M CPU3 3 92:43 98.14% squid 487 root 1 96 0 4372K 2052K select 0 57:00 3.47% natd 646 root 1 96 0 16032K 12192K select 3 54:28 0.00% snmpd 49821 sbt 1 -4 0 3652K 1048K msgrcv 0 0:13 0.00% diskd 49822 sbt 1 -4 0 3652K 1048K msgrcv 0 0:10 0.00% diskd 49864 root 1 96 0 3488K 1536K CPU2 1 0:04 0.00% top 562 root 1 96 0 3156K 1008K select 0 0:04 0.00% syslogd 717 root 1 8 0 3184K 1048K nanslp 0 0:02 0.00% cron 49631 x-man 1 96 0 8384K 2792K select 0 0:01 0.00% sshd 49635 root 1 20 0 5476K 2360K pause 0 0:00 0.00% csh 49628 root 1 4 0 8384K 2776K sbwait 1 0:00 0.00% sshd 710 root 1 96 0 5616K 2172K select 1 0:00 0.00% sshd 49634 x-man 1 8 0 3592K 1300K wait 1 0:00 0.00% su 49820 sbt 1 -8 0 1352K 496K piperd 3 0:00 0.00% unlinkd 49633 x-man 1 8 0 3456K 1280K wait 3 0:00 0.00% sh 765 root 1 5 0 3156K 872K ttyin 1 0:00 0.00% getty 766 root 1 5 0 3156K 872K ttyin 2 0:00 0.00% getty 767 root 1 5 0 3156K 872K ttyin 2 0:00 0.00% getty 769 root 1 5 0 3156K 872K ttyin 3 0:00 0.00% getty 771 root 1 5 0 3156K 872K ttyin 1 0:00 0.00% getty 770 root 1 5 0 3156K 872K ttyin 0 0:00 0.00% getty 768 root 1 5 0 3156K 872K ttyin 3 0:00 0.00% getty 772 root 1 5 0 3156K 872K ttyin 1 0:00 0.00% getty 47303 root 1 8 0 8080K 3560K wait 1 0:00 0.00% squid 426 root 1 96 0 1888K 420K select 0 0:00 0.00% devd 146 root 1 20 0 1356K 668K pause 0 0:00 0.00% adjkerntz pxy# iostat tty da0 pass0 cpu tin tout KB/t tps MB/s KB/t tps MB/s us ni sy in id 0 126 12.79 5 0.06 0.00 0 0.00 4 0 1 0 95 pxy# vmstat procs memory page disks faults cpu r b w avm fre flt re pi po fr sr da0 pa0 in sy cs us sy id 1 3 0 458044 103268 12 0 0 0 30 5 0 0 273 1721 2553 4 1 95 pxy# netstat -am 1376/1414/2790 mbufs in use (current/cache/total) 1214/1372/2586/25600 mbuf clusters in use (current/cache/total/max) 1214/577 mbuf+clusters out of packet secondary zone in use (current/cache) 147/715/862/12800 4k (page size) jumbo clusters in use (current/cache/total/max) 0/0/0/6400 9k jumbo clusters in use (current/cache/total/max) 0/0/0/3200 16k jumbo clusters in use (current/cache/total/max) 3360K/5957K/9317K 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) 0/7/6656 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 "netstat -an | grep "TIME_WAIT" | more " command 17 scroll pages of crt. some lines from squid.conf cache_mem 256 MB cache_replacement_policy heap LFUDA memory_replacement_policy heap GDSF cache_swap_low 80 cache_swap_high 90 cache_dir diskd /cache2 60000 16 256 Q1=72 Q2=64 cache_dir diskd /cache1 60000 16 256 Q1=72 Q2=64 cache_log /var/log/squid25/cache.log cache_access_log /var/log/squid25/access.log cache_store_log none half_closed_clients off maximum_object_size 1024 KB pxy# sysctl -a | grep maxproc kern.maxproc: 6164 kern.maxprocperuid: 5547 kern.ipc.somaxconn: 1024 kern.maxfiles: 12328 kern.maxfilesperproc: 11095 net.inet.ip.portrange.randomtime: 45 net.inet.ip.portrange.randomcps: 10 net.inet.ip.portrange.randomized: 1 net.inet.ip.portrange.reservedlow: 0 net.inet.ip.portrange.reservedhigh: 1023 net.inet.ip.portrange.hilast: 65535 net.inet.ip.portrange.hifirst: 49152 net.inet.ip.portrange.last: 65534 net.inet.ip.portrange.first: 1025 net.inet.ip.portrange.lowlast: 600 net.inet.ip.portrange.lowfirst: 1023 if anyother info required, i shall provide. Regards, .Goody.