Hi everybody!
First of all, sorry for my bad english. I have two hp dl-380 server with
6.4 and 7.1 freebsd, but all of them have a poor performance.
To illustrate the problem:
Reference machine (AMD 2500 Athlon, pata disk, 6.4 bsd with generic kernel):
# time tar xvzf php-5.1.4.tar.gz
0.980u 1.260s 0:14.48 15.4% 61+416k 210+20413io 4pf+0w
HP DL-380 (3000 dual xeon, scsi disk, 6.4 bsd with generic kernel):
# time tar xvzf php-5.1.4.tar.gz
0.668u 1.234s 1:58.47 1.5% 65+443k 0+19205io 0pf+0w
The cream of the joke: (on HP)
# time tar xvzf php-5.1.4.tar.gz -O > /dev/null
0.412u 0.096s 0:03.62 13.8% 60+357k 0+0io 0pf+0w
Seems good, another probe:
# time tar xvzf php-5.1.4.tar.gz -O > ./asdasd
0.494u 0.224s 0:06.21 11.4% 64+384k 0+324io 0pf+0w
Hmmm, what the hell is that?
Copying a big file (1Gb) from partition to another partition, its fast
enough. Copying a big file from ftp seems ok, no performance problem.
HP utility says everything ok with the server (memory, processors, disks
and others)
# diskinfo -t /dev/da0s1
Seek times:
Full stroke: 250 iter in 1.135873 sec = 4.543 msec
Half stroke: 250 iter in 1.090216 sec = 4.361 msec
Quarter stroke: 500 iter in 2.994673 sec = 5.989 msec
Short forward: 400 iter in 1.230212 sec = 3.076 msec
Short backward: 400 iter in 1.592944 sec = 3.982 msec
Seq outer: 2048 iter in 0.356638 sec = 0.174 msec
Seq inner: 2048 iter in 0.354043 sec = 0.173 msec
Transfer rates:
outside: 102400 kbytes in 1.567910 sec = 65310 kbytes/sec
middle: 102400 kbytes in 1.831442 sec = 55912 kbytes/sec
inside: 102400 kbytes in 3.978799 sec = 25736 kbytes/sec
It`s seems ok. The performance problem is come forward again while
executiing a php script, its 10x slower then running same script on the
reference machine.
No errors in dmesg, no errors in log,
SMP seems working normal, systat says balanced usage on each processor
while a task running. vmstat doesnt appear abnormal working.
Where can i find the problem?
Thanks for any suggestion.
Zoltán Molnár
//
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