Date: Sun, 16 Mar 2003 02:35:30 -0400 (AST) From: The Hermit Hacker <scrappy@hub.org> To: freebsd-stable@freebsd.org Subject: Server feels sluggish ... Message-ID: <20030316022218.V65381@localhost>
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Okay, this has to be the worst report of all time, but one of my ligher
loaded servers feels more sluggish then the heavy loaded one ... starting
commands seems to 'hang' for a bit and then go, changing folders in mail
takes forever, etc ... yet there is about a 1/4 the processes running on
this system ... so this is more a 'is there something I shuld be looking
at' kinda email, since I can't pinpoint anything as being wrong, it just
*feels* sluggish :(
The server itself is a Dual PIII 1.2Ghz on an Intel MB in an Intel SR2300
chassis ... Adaptec 2120S ZCR RAID Controller ... 4GB of RAM ... 6x36GB
Seagate Cheetah drives in a RAID5 configuration ... Onboard Intel ethernet
...
But, I can't seem to find anything to back up the feeling ... so don't
even know what I'm asking on this one ... the server has been up 12hrs (I
rebooted earlier to give Scott some info he requested from the boot):
neptune# uptime
2:25AM up 12:15, 5 users, load averages: 0.90, 1.01, 1.18
A systat -vmstat shows:
5 users Load 0.63 1.08 1.31 Mar 16 02:19
Mem:KB REAL VIRTUAL VN PAGER SWAP PAGER
Tot Share Tot Share Free in out in out
Act 498812 87200 1616180 232472 213712 count 4
All 3892832 157920 387212 394364 pages 5
Interrupts
Proc:r p d s w Csw Trp Sys Int Sof Flt 26 cow 247 total
44 9275 2869 349 4305 247 1369 345 472944 wire 8 aac0 irq2
886588 act 11 fxp0 irq9
9.0%Sys 0.0%Intr 0.3%User 0.0%Nice 90.7%Idl 2213900 inact 100 clk irq0
| | | | | | | | | | 178088 cache 128 rtc irq8
====> 35624 free
daefr
Namei Name-cache Dir-cache 44 prcfr
Calls hits % hits % react
234 234 100 pdwake
1 zfod pdpgs
Disks aacd0 1 ofod intrn
KB/t 14.30 %slo-z 204096 buf
tps 8 47 tfree 79 dirtybuf
MB/s 0.11 327680 desiredvnodes
% busy 4 295838 numvnodes
13121 freevnodes
Does anything look off here?
As a comparison, my loaded server looks like (after 2days, 4hrs up):
19 users Load 27.34 64.76 78.08 Mar 16 01:28
Mem:KB REAL VIRTUAL VN PAGER SWAP PAGER
Tot Share Tot Share Free in out in out
Act 1408520 166644 907252 788228 155336 count 5 12 6
All 3084348 243380 1619236 1369900 pages 17 16 6
Interrupts
Proc:r p d s w Csw Trp Sys Int Sof Flt 43 cow 508 total
255 3 16*** 3102 490 2317 508 62 475 722812 wire 52 xl0 irq10
1896056 act 228 mux irq2
12.5%Sys 0.4%Intr 2.1%User 0.0%Nice 84.9%Idl 314468 inact 100 clk irq0
| | | | | | | | | | 150988 cache 128 rtc irq8
======>> 4348 free
daefr
Namei Name-cache Dir-cache 52 prcfr
Calls hits % hits % 4 react
2218 2196 99 1 0 pdwake
143 zfod 3692 pdpgs
Disks da0 pass0 63 ofod 12 intrn
KB/t 35.42 0.00 44 %slo-z 204096 buf
tps 228 0 2157 tfree 289 dirtybuf
MB/s 7.90 0.00 512000 desiredvnodes
% busy 91 0 443648 numvnodes
83721 freevnodes
Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy
Systems Administrator @ hub.org
primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org
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