Dear all,
Msh blm selesai jg soal apache nih, berikut ini beberapa catatan log dan
command yg sempat saya ambil saat linux udh mulai "jalan merangkak".
Tolong donk, kalo bs ada yg ksh tau kira2 penyebab nya apa.
Saya udh tambah swap, jadi 2GB an, ternyata swap pun hampir dilahap
semuanya. Pdahal setting apache sudah saya set lebih kecil dari defaultnya
Konfigurasi apache (/etc/apache2/server-tuning.conf)
# prefork MPM
<IfModule prefork.c>
# number of server processes to start
StartServers 5
# minimum number of server processes which are kept spare
MinSpareServers 5
# maximum number of server processes which are kept spare
MaxSpareServers 10
# maximum number of server processes allowed to start
MaxClients 50
# maximum number of requests a server process serves
MaxRequestsPerChild 0
</IfModule>
:~ # free -m
total used free shared buffers cached
Mem: 1010 995 14 0 6 50
-/+ buffers/cache: 938 72
Swap: 2321 2254 67
:~ #
top - 09:38:29 up 18:16, 1 user, load average: 25.33, 24.82, 19.79
Tasks: 102 total, 1 running, 101 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.4% us, 1.1% sy, 0.0% ni, 2.0% id, 94.9% wa, 0.3% hi, 0.3% si
Mem: 1034856k total, 1022648k used, 12208k free, 6904k buffers
Swap: 2377496k total, 2319912k used, 57584k free, 56456k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
14283 wwwrun 16 0 108m 58m 33m D 0.0 5.7 0:02.82 httpd2-prefork
14809 wwwrun 17 0 108m 56m 32m D 0.0 5.6 0:01.52 httpd2-prefork
14217 wwwrun 16 0 108m 55m 32m D 0.0 5.5 0:04.41 httpd2-prefork
14807 wwwrun 17 0 108m 55m 33m D 0.0 5.5 0:01.77 httpd2-prefork
14435 wwwrun 16 0 149m 50m 29m D 0.0 5.0 0:05.28 httpd2-prefork
14761 wwwrun 16 0 108m 48m 28m D 0.0 4.8 0:01.80 httpd2-prefork
14250 wwwrun 16 0 108m 47m 23m D 0.0 4.7 0:03.01 httpd2-prefork
14269 wwwrun 16 0 149m 41m 23m D 0.0 4.1 0:03.73 httpd2-prefork
14059 wwwrun 16 0 150m 41m 20m D 0.0 4.1 0:07.24 httpd2-prefork
14525 wwwrun 16 0 148m 39m 18m D 0.0 3.9 0:03.84 httpd2-prefork
14426 wwwrun 16 0 108m 38m 20m D 0.0 3.8 0:02.46 httpd2-prefork
14744 wwwrun 16 0 108m 34m 10m D 0.0 3.5 0:02.65 httpd2-prefork
14281 wwwrun 16 0 109m 34m 16m D 0.0 3.4 0:06.56 httpd2-prefork
14811 wwwrun 16 0 148m 34m 2624 D 0.0 3.4 0:02.10 httpd2-prefork
14806 wwwrun 17 0 73596 33m 2552 S 0.0 3.3 0:00.85 httpd2-prefork
14210 wwwrun 16 0 148m 31m 2516 S 0.0 3.1 0:04.42 httpd2-prefork
14799 wwwrun 16 0 74328 29m 2640 S 0.0 2.9 0:03.93 httpd2-prefork
14241 wwwrun 16 0 108m 25m 8372 D 0.0 2.5 0:03.16 httpd2-prefork
14805 wwwrun 16 0 109m 23m 10m D 0.0 2.3 0:01.79 httpd2-prefork
14345 wwwrun 16 0 109m 23m 9372 D 0.0 2.3 0:05.23 httpd2-prefork
14282 wwwrun 16 0 73644 22m 1776 D 0.0 2.2 0:06.03 httpd2-prefork
14244 wwwrun 17 0 73632 21m 2380 S 0.0 2.1 0:05.91 httpd2-prefork
14211 wwwrun 17 0 148m 20m 2576 S 0.0 2.0 0:05.46 httpd2-prefork
14456 wwwrun 16 0 73852 19m 2436 S 0.0 1.9 0:04.11 httpd2-prefork
14359 wwwrun 16 0 225m 19m 5796 D 2.3 1.9 0:03.56 httpd2-prefork
14364 wwwrun 15 0 73828 17m 3328 S 0.0 1.7 0:02.84 httpd2-prefork
14284 wwwrun 16 0 108m 16m 7184 D 0.0 1.6 0:03.08 httpd2-prefork
14278 wwwrun 16 0 148m 16m 2100 S 0.0 1.6 0:05.17 httpd2-prefork
14810 wwwrun 16 0 109m 16m 7056 D 0.0 1.6 0:01.83 httpd2-prefork
14535 wwwrun 16 0 73716 15m 2480 S 0.0 1.6 0:07.26 httpd2-prefork
14747 wwwrun 16 0 73828 13m 3104 S 0.0 1.3 0:03.19 httpd2-prefork
14434 wwwrun 16 0 74108 13m 2072 S 0.0 1.3 0:05.44 httpd2-prefork
14760 wwwrun 16 0 73604 12m 2664 S 0.0 1.2 0:03.19 httpd2-prefork
14358 wwwrun 17 0 148m 9860 1808 D 0.0 1.0 0:04.12 httpd2-prefork
14743 wwwrun 16 0 73444 9140 3384 D 1.1 0.9 0:01.33 httpd2-prefork
14796 wwwrun 16 0 73720 8860 3280 S 0.0 0.9 0:01.50 httpd2-prefork
14762 wwwrun 16 0 73696 7960 2636 S 0.0 0.8 0:00.85 httpd2-prefork
14763 wwwrun 16 0 73640 7540 3432 S 0.0 0.7 0:01.65 httpd2-prefork
# pstree -G
init---ahc_dv_0
+-cron
+-dbus-daemon-1
+-events/0
+-events/1
+-hald
+-httpd2-prefork---50*[httpd2-prefork]
+-3*[hwscand]
+-khelper
+-kirqd
+-2*[kjournald]
+-klogd
+-kseriod
+-ksoftirqd/0
+-ksoftirqd/1
+-kswapd0
+-kthread---aio/0
¦ +-aio/1
¦ +-kacpid
¦ +-kblockd/0
¦ +-kblockd/1
¦ +-2*[pdflush]
¦ +-reiserfs/0
¦ +-reiserfs/1
+-master---pickup
¦ +-qmgr
+-migration/0
+-migration/1
+-6*[mingetty]
+-mysqld_safe---mysqld
+-resmgrd
+-scsi_eh_0
+-snmpd
+-sshd---sshd---bash---pstree
+-syslogd
+-udevd
#
:~ # df -H
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 996M 891M 105M 90% /
tmpfs 530M 0 530M 0% /dev/shm
/dev/sda2 80M 13M 63M 17% /boot
/dev/sda8 22G 20G 931M 96% /home
/dev/sda9 2.7G 2.0G 661M 75% /local
/dev/sda6 1.7G 1.4G 328M 81% /opt
/dev/sda3 4.7G 746M 4.0G 16% /usr
/dev/sda5 4.2G 3.6G 590M 86% /var
/dev/sdb9 20G 17G 2.8G 86% /media/home
/dev/sdb7 1.7G 840M 806M 52% /media/srv
:~ #
:~ # netstat -an|more
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:199 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN
tcp 0 0 202.155.51.245:80 202.95.135.182:63857 SYN_RECV
tcp 0 0 202.155.51.245:80 202.95.135.182:63853 SYN_RECV
tcp 0 0 202.155.51.245:80 202.95.135.182:63852 SYN_RECV
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
tcp 0 0 :::80 :::* LISTEN
tcp 0 0 :::22 :::* LISTEN
tcp 0 0 ::1:25 :::* LISTEN
tcp 0 6137 202.155.51.245:80 61.94.166.110:1039 LAST_ACK
tcp 475 0 202.155.51.245:80 202.95.134.198:1074
ESTABLISHED
tcp 0 20440 202.155.51.245:80 61.94.167.75:1128
ESTABLISHED
tcp 0 91744 202.155.51.245:80 202.53.244.36:58169
ESTABLISHED
tcp 0 0 202.155.51.245:22 202.155.51.247:3964
ESTABLISHED
tcp 835 0 202.155.51.245:80 202.155.51.243:14742
ESTABLISHED
tcp 825 0 202.155.51.245:80 202.155.51.243:14741
ESTABLISHED
tcp 0 68136 202.155.51.245:80 202.53.244.36:51422
ESTABLISHED
tcp 0 13033 202.155.51.245:80 202.155.51.243:13725 LAST_ACK
tcp 317 0 202.155.51.245:80 202.145.13.21:1411
CLOSE_WAIT
tcp 317 0 202.155.51.245:80 202.145.13.21:1410
CLOSE_WAIT
tcp 0 0 202.155.51.245:80 202.145.13.21:1409
CLOSE_WAIT
tcp 468 0 202.155.51.245:80 203.130.207.177:62219
ESTABLISHED
tcp 0 13140 202.155.51.245:80 202.145.13.21:1408
CLOSE_WAIT
tcp 316 0 202.155.51.245:80 202.145.13.21:1413
ESTABLISHED
tcp 317 0 202.155.51.245:80 202.145.13.21:1412
CLOSE_WAIT
tcp 667 0 202.155.51.245:80 202.155.51.243:14769
ESTABLISHED
tcp 0 67024 202.155.51.245:80 202.53.244.36:60154
ESTABLISHED
tcp 0 74264 202.155.51.245:80 202.53.244.36:63916
ESTABLISHED
tcp 273 0 202.155.51.245:80 203.130.207.177:64589
ESTABLISHED
tcp 410 0 202.155.51.245:80 61.94.166.157:1080
CLOSE_WAIT
tcp 409 0 202.155.51.245:80 61.94.166.157:1081
ESTABLISHED
tcp 414 0 202.155.51.245:80 202.95.135.182:63793
CLOSE_WAIT
tcp 590 0 202.155.51.245:80 222.124.70.73:54231
CLOSE_WAIT
tcp 590 0 202.155.51.245:80 222.124.70.73:54233
CLOSE_WAIT
tcp 413 0 202.155.51.245:80 202.95.135.182:63802
CLOSE_WAIT
tcp 285 0 202.155.51.245:80 68.142.249.30:48833
CLOSE_WAIT
tcp 590 0 202.155.51.245:80 222.124.70.73:54234
CLOSE_WAIT
tcp 413 0 202.155.51.245:80 202.95.135.182:63550
ESTABLISHED
tcp 413 0 202.155.51.245:80 202.95.135.182:63523
ESTABLISHED
tcp 0 0 202.155.51.245:80 202.95.135.182:63270
CLOSE_WAIT
tcp 414 0 202.155.51.245:80 202.95.135.182:63791
CLOSE_WAIT
tcp 414 0 202.155.51.245:80 202.95.135.182:63789
CLOSE_WAIT
:~ # tail -f /var/log/messages
Jul 27 09:37:42 nefertum kernel: SFW2-OUT-ERROR IN= OUT=eth0
SRC=202.155.51.245 DST=202.95.135.182 LEN=40 TOS=0x00 PREC=0x00 TTL=64
ID=9873 DF PROTO=TCP SPT=80 DPT=63375 WINDOW=5840 RES=0x00 ACK FIN URGP=0
Jul 27 09:38:06 nefertum sshd[15246]: Accepted keyboard-interactive/pam for
root from ::ffff:202.155.51.247 port 3964 ssh2
Jul 27 09:38:32 nefertum kernel: SFW2-OUT-ERROR IN= OUT=eth0
SRC=202.155.51.245 DST=202.95.135.182 LEN=40 TOS=0x00 PREC=0x00 TTL=64
ID=37680 DF PROTO=TCP SPT=80 DPT=63373 WINDOW=5840 RES=0x00 ACK FIN URGP=0
Jul 27 09:38:35 nefertum kernel: SFW2-INext-ACC-TCP IN=eth0 OUT=
MAC=00:0b:cd:cf:e8:c1:00:0e:a6:0d:4e:f4:08:00 SRC=202.95.135.182
DST=202.155.51.245 LEN=44 TOS=0x00 PREC=0x00 TTL=53 ID=39770 PROTO=TCP
SPT=63834 DPT=80 WINDOW=14400 RES=0x00 SYN URGP=0 OPT (020405A0)
Jul 27 09:38:44 nefertum kernel: SFW2-OUT-ERROR IN= OUT=eth0
SRC=202.155.51.245 DST=202.95.135.182 LEN=40 TOS=0x00 PREC=0x00 TTL=64
ID=49270 DF PROTO=TCP SPT=80 DPT=63380 WINDOW=5840 RES=0x00 ACK FIN URGP=0
Jul 27 09:38:48 nefertum kernel: SFW2-OUT-ERROR IN= OUT=eth0
SRC=202.155.51.245 DST=202.95.135.182 LEN=40 TOS=0x00 PREC=0x00 TTL=64
ID=62721 DF PROTO=TCP SPT=80 DPT=63381 WINDOW=5840 RES=0x00 ACK FIN URGP=0
Jul 27 09:38:56 nefertum kernel: SFW2-INext-ACC-TCP IN=eth0 OUT=
MAC=00:0b:cd:cf:e8:c1:00:0e:a6:0d:4e:f4:08:00 SRC=202.95.135.182
DST=202.155.51.245 LEN=44 TOS=0x00 PREC=0x00 TTL=53 ID=217 PROTO=TCP
SPT=63847 DPT=80 WINDOW=14400 RES=0x00 SYN URGP=0 OPT (020405A0)
Jul 27 09:39:14 nefertum kernel: SFW2-INext-DROP-DEFLT IN=eth0 OUT=
MAC=00:0b:cd:cf:e8:c1:00:0e:a6:0d:4e:f4:08:00 SRC=202.156.112.22
DST=202.155.51.245 LEN=92 TOS=0x00 PREC=0x00 TTL=111 ID=49874 PROTO=ICMP
TYPE=8 CODE=0 ID=512 SEQ=34303
Jul 27 09:39:16 nefertum kernel: SFW2-OUT-ERROR IN= OUT=eth0
SRC=202.155.51.245 DST=202.95.135.182 LEN=40 TOS=0x00 PREC=0x00 TTL=64
ID=35955 DF PROTO=TCP SPT=80 DPT=63386 WINDOW=5840 RES=0x00 ACK FIN URGP=0
Jul 27 09:39:36 nefertum kernel: SFW2-INext-ACC-TCP IN=eth0 OUT=
MAC=00:0b:cd:cf:e8:c1:00:0e:a6:0d:4e:f4:08:00 SRC=202.95.135.182
DST=202.155.51.245 LEN=44 TOS=0x00 PREC=0x00 TTL=53 ID=49798 PROTO=TCP
SPT=63858 DPT=80 WINDOW=14400 RES=0x00 SYN URGP=0 OPT (020405A0)
Jul 27 09:40:01 nefertum kernel: SFW2-OUT-ERROR IN= OUT=eth0
SRC=202.155.51.245 DST=202.95.135.182 LEN=40 TOS=0x00 PREC=0x00 TTL=64
ID=36291 DF PROTO=TCP SPT=80 DPT=63366 WINDOW=5840 RES=0x00 ACK FIN URGP=0
Jul 27 09:40:05 nefertum kernel: SFW2-OUT-ERROR IN= OUT=eth0
SRC=202.155.51.245 DST=202.95.135.182 LEN=40 TOS=0x00 PREC=0x00 TTL=64
ID=57656 DF PROTO=TCP SPT=80 DPT=63393 WINDOW=5840 RES=0x00 ACK FIN URGP=0
Ini penggunaan memory sebelum dan setelah apache di-restart.
# free -m
total used free shared buffers cached
Mem: 1010 998 11 0 2 50
-/+ buffers/cache: 946 64
Swap: 2321 2236 85 <<--- swap
penuh kepake
# rcapache2 restart
Syntax OK
Shutting down httpd2 (waiting for all children to terminate) done
Starting httpd2 (prefork) done
# free -m
total used free shared buffers cached
Mem: 1010 916 94 0 6 150
-/+ buffers/cache: 758 252
Swap: 2321 20 2301
#
Sebelumnya makasih atas responnya.
Wassalam
.:. MNH .:.
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