From: Abdullah BAYKAL (baykal@dicle.edu.tr)
Date: Fri 25 Apr 2003 - 00:49:23 EEST
selamlar,
fikir vermesi acisindan asagida top un ve netstat ciktilari var ,
[baykal@sur baykal]$ top
12:38am up 13 days, 8:41, 1 user, load average: 3.00, 3.01, 3.00
83 processes: 77 sleeping, 6 running, 0 zombie, 0 stopped
CPU0 states: 89.0% user, 0.0% system, 0.0% nice, 10.0% idle
CPU1 states: 100.0% user, 0.0% system, 0.0% nice, 0.0% idle
CPU2 states: 100.0% user, 0.0% system, 0.0% nice, 0.0% idle
CPU3 states: 10.0% user, 2.0% system, 0.0% nice, 86.0% idle
Mem: 2064648K av, 2045924K used, 18724K free, 0K shrd, 158444K buff
Swap: 4096532K av, 20564K used, 4075968K free 1696060K
cached
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
23851 root 15 0 8084 8084 7580 S 99.9 0.3 9687m httpd
6392 baykal 15 0 1096 1096 836 R 2.8 0.0 0:00 top
658 named 15 0 20876 20M 1824 S 0.9 0.9 20:37 named
1 root 15 0 472 436 420 S 0.0 0.0 0:13 init
2 root 0K 0 0 0 0 SW 0.0 0.0 0:00 migration_CPU0
3 root 0K 0 0 0 0 SW 0.0 0.0 0:00 migration_CPU1
4 root 0K 0 0 0 0 SW 0.0 0.0 0:00 migration_CPU2
5 root 0K 0 0 0 0 SW 0.0 0.0 0:00 migration_CPU3
6 root 15 0 0 0 0 SW 0.0 0.0 0:00 keventd
7 root 34 19 0 0 0 SWN 0.0 0.0 0:00 ksoftirqd_CPU0
8 root 34 19 0 0 0 SWN 0.0 0.0 0:00 ksoftirqd_CPU1
9 root 34 19 0 0 0 SWN 0.0 0.0 0:00 ksoftirqd_CPU2
10 root 34 19 0 0 0 SWN 0.0 0.0 0:00 ksoftirqd_CPU3
12:38am up 13 days, 8:41, 1 user, load average: 3.00, 3.01, 3.00
82 processes: 78 sleeping, 4 running, 0 zombie, 0 stopped
------------------------
[root@sur root]# netstat
Active Internet connections (w/o servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 mail.dicle.edu.tr:smtp mail408.gettinthe:44750 SYN_RECV
tcp 0 0 localhost.localdo:44830 localhost.localdom:imap
CLOSE_WAIT
tcp 0 0 localhost.localdo:44778 localhost.localdom:imap
CLOSE_WAIT
tcp 0 98304 localhost.localdom:imap localhost.localdo:59181
ESTABLISHED
tcp 0 108 mail.dicle.edu.tr:ssh 10.1.50.206:socks
ESTABLISHED
tcp 0 0 localhost.localdo:53526 localhost.localdom:imap
CLOSE_WAIT
tcp 61438 0 localhost.localdo:59181 localhost.localdom:imap
ESTABLISHED
tcp 0 0 mail.dicle.edu.tr:59174 ohmx01.mgw.rr.com:smtp
ESTABLISHED
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1465 TIME_WAIT
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1464 TIME_WAIT
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1467 TIME_WAIT
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1466 TIME_WAIT
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1461 TIME_WAIT
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1460 TIME_WAIT
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1463 TIME_WAIT
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1462 TIME_WAIT
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1457 TIME_WAIT
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1459 TIME_WAIT
tcp 0 0 mail.dicle.edu.tr:http 81.212.189.232:1458 TIME_WAIT
tcp 0 14600 mail.dicle.edu.tr:http 10.1.1.66:3227
ESTABLISHED
tcp 0 0 mail.dicle.edu.tr:http 10.1.1.66:3229
ESTABLISHED
Active UNIX domain sockets (w/o servers)
Proto RefCnt Flags Type State I-Node Path
unix 13 [ ] DGRAM 1091 /dev/log
unix 3 [ ] STREAM CONNECTED 2326549
unix 3 [ ] STREAM CONNECTED 2326548
unix 2 [ ] DGRAM 2326525
unix 2 [ ] DGRAM 1281330
unix 2 [ ] DGRAM 2332
unix 2 [ ] DGRAM 2305
unix 2 [ ] DGRAM 2228
unix 2 [ ] DGRAM 2213
unix 2 [ ] DGRAM 2056
unix 2 [ ] DGRAM 2010
unix 2 [ ] DGRAM 1583
unix 2 [ ] DGRAM 1151
unix 2 [ ] DGRAM 1099
> On Thu, 2003-04-24 at 16:47, Abdullah BAYKAL wrote:
>> Selamlar,
>> kullandıgımız 4 işlemcili sunucuda top ile baktıgımda genellikle 2 cpu
>> nun kullanımının %100 oldugunu httpd servisinin ise cpu nun %99.9
>> kullandigini goruyorum, netstat'la baktıgımda ise fazla bir baglantıda
>> goremiyorum, sunucu uzerinde rh8 ve Apache/2.0.40 yuklu ,
>> daha onceki sunucuda Apache 1.3.x yuklu idi ve boyle bir kullanim
>> yuzdesini
>> hic hatırlamıyorum, bunun nedeni ne olabilir, normal bir durum mu?
>
> Normal bir durum degil. Pek cok ihtimal olabilir; vmstat/top/sar/netstat
> ile azicik bilgi toplayip incelemek lazim.
>
> Disk I/O'su mu cok? Bellek kullanimi mi cok? Sadece CPU mu harciyor?
>
> Haddinden sik calisan bir cron gorevi, bilgisayara sizmis ve oradan
> baska yerlere saldirmaya calisan bir saldirgan, universite icerisinde
> worm bulasmis bilgisayarlarin yogun baglantilari ilk aklima gelenler.
>
> Web sunucu kayitlarinda cok yogun istek gorunmuyor mu? netstat ile
> baktiginizda keepalive bicimde bagli goreceginiz tek bir istemci cok
> yogun ardisik istemlerde bulunuyor olabilir. Istemlerin her birinin
> islenmesi cok vakit aliyorsa (php?) bu sonucla karsilasiliyor olabilir.
>
> selamlar, iyi calismalar.
> --
> Burak DAYIOGLU
> Phone: +90 312 2103379 Fax: +90 312 2103333
> http://www.dayioglu.net ICQ UIN: 72276975