hello

i need to help in optimization my server please

---- Server Specs ----
Dual Xeon 2.8 Ghz Processors
4G DDR ECC RAM
2 x 320G SATA 8M Hard Drive
--------------------------------
Software:

Cpanel/WHM
MySQL 4.1.21
Apache 1.3.37
PHP Version 4.3.3
CentOS 4.4 i686
2.6.9-42.0.3.ELsmp #1 SMP Fri Oct 6 06:21:39 CDT 2006 i686 i686 i386 GNU/Linux
---------------------------------------------------------

free -m
total used free shared buffers cached
Mem: 4053 3303 750 0 166 2121
-/+ buffers/cache: 1015 3038
Swap: 4000 0 4000
-----------------------------------------------------------

ps aux

USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 2296 548 ? S Oct09 0:37 init [3]
root 2 0.0 0.0 0 0 ? S Oct09 0:01 [migration/0]
root 3 0.0 0.0 0 0 ? SN Oct09 0:00 [ksoftirqd/0]
root 4 0.0 0.0 0 0 ? S Oct09 0:01 [migration/1]
root 5 0.0 0.0 0 0 ? SN Oct09 0:00 [ksoftirqd/1]
root 6 0.0 0.0 0 0 ? S Oct09 1:08 [migration/2]
root 7 0.0 0.0 0 0 ? SN Oct09 0:00 [ksoftirqd/2]
root 8 0.0 0.0 0 0 ? S Oct09 0:29 [migration/3]
root 9 0.0 0.0 0 0 ? SN Oct09 0:00 [ksoftirqd/3]
root 10 0.0 0.0 0 0 ? S< Oct09 0:00 [events/0]
root 11 0.0 0.0 0 0 ? S< Oct09 0:00 [events/1]
root 12 0.0 0.0 0 0 ? S< Oct09 0:00 [events/2]
root 13 0.0 0.0 0 0 ? S< Oct09 0:00 [events/3]
root 14 0.0 0.0 0 0 ? S< Oct09 0:00 [khelper]
root 15 0.0 0.0 0 0 ? S< Oct09 0:00 [kacpid]
root 34 0.0 0.0 0 0 ? S< Oct09 0:00 [kblockd/0]
root 35 0.0 0.0 0 0 ? S< Oct09 0:00 [kblockd/1]
root 36 0.0 0.0 0 0 ? S< Oct09 0:00 [kblockd/2]
root 37 0.0 0.0 0 0 ? S< Oct09 0:00 [kblockd/3]
root 58 0.0 0.0 0 0 ? S< Oct09 0:00 [aio/0]
root 59 0.0 0.0 0 0 ? S< Oct09 0:00 [aio/1]
root 60 0.0 0.0 0 0 ? S< Oct09 0:00 [aio/2]
root 61 0.0 0.0 0 0 ? S< Oct09 0:00 [aio/3]
root 38 0.0 0.0 0 0 ? S Oct09 0:00 [khubd]
root 57 0.0 0.0 0 0 ? S Oct09 5:47 [kswapd0]
root 205 0.0 0.0 0 0 ? S Oct09 0:00 [kseriod]
root 328 0.0 0.0 0 0 ? S< Oct09 0:00 [ata/0]
root 329 0.0 0.0 0 0 ? S< Oct09 0:00 [ata/1]
root 330 0.0 0.0 0 0 ? S< Oct09 0:00 [ata/2]
root 331 0.0 0.0 0 0 ? S< Oct09 0:00 [ata/3]
root 337 0.0 0.0 0 0 ? S Oct09 0:00 [scsi_eh_0]
root 365 0.0 0.0 0 0 ? S Oct09 0:21 [kjournald]
root 1493 0.0 0.0 3400 468 ? S<s Oct09 0:00 udevd
root 1540 0.0 0.0 0 0 ? S Oct09 0:00 [shpchpd_event]
root 1685 0.0 0.0 0 0 ? S< Oct09 0:00 [kauditd]
root 1765 0.0 0.0 0 0 ? S< Oct09 0:00 [kmirrord]
root 1819 0.0 0.0 0 0 ? S Oct09 4:14 [kjournald]
root 1835 0.0 0.0 0 0 ? S Oct09 0:00 [kjournald]
root 1836 0.0 0.0 0 0 ? S Oct09 1:20 [kjournald]
root 1909 0.0 0.0 0 0 ? S< Oct09 0:30 [loop0]
root 1910 0.0 0.0 0 0 ? S Oct09 0:05 [kjournald]
root 1911 0.0 0.0 0 0 ? S Oct09 0:40 [kjournald]
root 1912 0.0 0.0 0 0 ? S Oct09 4:28 [kjournald]
root 2588 0.0 0.0 3292 544 ? Ss Oct09 0:18 syslogd -m 0
root 2592 0.0 0.0 2280 380 ? Ss Oct09 0:00 klogd -x
root 2602 0.0 0.0 3396 300 ? Ss Oct09 0:01 irqbalance
root 2611 0.0 0.0 2828 292 ? S Oct09 0:00 /usr/sbin/courier
root 2612 0.0 0.0 1884 616 ? S Oct09 0:00 /usr/libexec/cour
root 2646 0.0 0.0 1884 376 ? S Oct09 0:00 /usr/libexec/cour
root 2647 0.0 0.0 1884 376 ? S Oct09 0:00 /usr/libexec/cour
root 2648 0.0 0.0 1884 376 ? S Oct09 0:00 /usr/libexec/cour
root 2649 0.0 0.0 1884 376 ? S Oct09 0:00 /usr/libexec/cour
root 2651 0.0 0.0 1884 376 ? S Oct09 0:00 /usr/libexec/cour
root 2659 0.0 0.0 3068 508 ? S Oct09 0:00 /usr/sbin/smartd
root 4370 0.0 0.0 5336 1036 ? Ss Oct09 0:07 /usr/sbin/sshd
root 4397 0.0 0.1 13664 8040 ? S Oct09 0:12 chkservd
root 4408 0.0 0.0 1636 292 ? S Oct09 0:00 /usr/sbin/courier
root 4409 0.0 0.0 3092 500 ? S Oct09 0:00 /usr/lib/courier-
root 4415 0.0 0.0 2792 212 ? S Oct09 0:00 /usr/sbin/courier
root 4416 0.0 0.0 1788 480 ? S Oct09 0:00 /usr/lib/courier-
root 4421 0.0 0.0 2108 292 ? S Oct09 0:00 /usr/sbin/courier
root 4422 0.0 0.0 2604 500 ? S Oct09 0:00 /usr/lib/courier-
root 4428 0.0 0.0 2388 212 ? S Oct09 0:00 /usr/sbin/courier
root 4429 0.0 0.0 2512 480 ? S Oct09 0:00 /usr/lib/courier-
root 4748 0.1 0.7 63740 31292 ? Ss Oct09 12:46 /usr/sbin/clamd
mailnull 4754 0.0 0.0 9316 892 ? Ss Oct09 0:03 /usr/sbin/exim -b
mailnull 4759 0.0 0.0 8164 840 ? Ss Oct09 0:00 /usr/sbin/exim -t
root 4774 0.0 0.0 5636 936 ? Ss Oct09 0:00 crond
root 4896 0.0 0.1 8680 5188 ? S Oct09 0:02 cpbandwd
root 4897 0.0 0.3 18876 14616 ? SN Oct09 6:27 cpanellogd - slee
nobody 4912 0.0 0.0 5772 1652 ? S Oct09 0:00 entropychat
root 4952 0.0 0.5 26340 23528 ? Ss Oct09 0:06 /usr/bin/spamd -d
root 5016 0.0 0.0 4032 1116 ? S Oct09 0:07 antirelayd
root 5147 0.0 0.0 6732 1136 ? Ss Oct09 0:00 pure-ftpd (SERVER
root 5150 0.0 0.0 7480 688 ? S Oct09 0:00 /usr/sbin/pure-au
mailman 5238 0.0 0.1 11848 4992 ? Ss Oct09 0:00 /usr/local/bin/py
mailman 5243 0.0 0.1 11868 6628 ? S Oct09 0:07 /usr/local/bin/py
mailman 5244 0.0 0.1 10992 6640 ? S Oct09 0:07 /usr/local/bin/py
mailman 5245 0.0 0.1 11512 6636 ? S Oct09 0:07 /usr/local/bin/py
mailman 5246 0.0 0.1 10776 6836 ? S Oct09 0:07 /usr/local/bin/py
mailman 5247 0.0 0.1 11624 6652 ? S Oct09 0:07 /usr/local/bin/py
mailman 5248 0.0 0.1 11644 6992 ? S Oct09 0:07 /usr/local/bin/py
mailman 5249 0.0 0.1 10844 6780 ? S Oct09 0:07 /usr/local/bin/py
mailman 5250 0.0 0.1 10316 6624 ? S Oct09 0:00 /usr/local/bin/py
dbus 5263 0.0 0.0 3644 820 ? Ss Oct09 0:00 dbus-daemon-1 --s
root 5299 0.0 0.1 7156 5032 ? Ss Oct09 0:04 hald
root 5349 0.0 0.0 1480 392 ? Ss Oct09 0:00 /usr/sbin/portsen
root 5411 0.0 0.0 1996 412 tty1 Ss+ Oct09 0:00 /sbin/mingetty tt
root 5412 0.0 0.0 1756 412 tty2 Ss+ Oct09 0:00 /sbin/mingetty tt
root 5413 0.0 0.0 1812 412 tty3 Ss+ Oct09 0:00 /sbin/mingetty tt
root 5414 0.0 0.0 2740 412 tty4 Ss+ Oct09 0:00 /sbin/mingetty tt
root 5415 0.0 0.0 2812 412 tty5 Ss+ Oct09 0:00 /sbin/mingetty tt
root 5416 0.0 0.0 2980 412 tty6 Ss+ Oct09 0:00 /sbin/mingetty tt
named 6092 0.0 0.0 68884 3480 ? Ssl Oct09 0:56 /usr/sbin/named -
root 7858 0.0 0.0 5720 1240 ? S Oct09 0:00 /bin/sh /usr/bin/
mysql 7879 10.0 1.2 150264 50336 ? Sl Oct09 1002:49 /usr/sbin/mysqld
mailnull 9176 0.0 0.1 10316 5340 ? S Oct09 5:52 eximstats
root 3602 0.0 0.2 11872 8472 ? S Oct11 0:01 /etc/authlib/auth
root 25441 0.0 0.5 26604 23280 ? S Oct11 0:00 spamd child
root 15526 0.0 0.2 11872 8472 ? S Oct12 0:00 /etc/authlib/auth
root 31171 0.0 0.2 11872 8472 ? S Oct14 0:00 /etc/authlib/auth
root 16236 0.0 0.0 0 0 ? S 02:22 0:20 [pdflush]
root 27789 0.0 0.0 0 0 ? S 02:47 0:06 [pdflush]
root 20512 0.0 0.5 27236 24460 ? S 08:51 0:03 spamd child
root 30868 0.0 0.2 11872 8456 ? S 10:52 0:00 /etc/authlib/auth
root 7247 0.0 0.2 11872 8456 ? S 11:07 0:00 /etc/authlib/auth
root 11355 0.0 0.1 17428 6496 ? Ss 12:32 0:00 /usr/local/apache
root 28237 0.0 0.0 7164 2316 ? Ss 14:43 0:00 sshd: root@pts/0
root 28650 0.0 0.0 5108 1404 pts/0 Ss 14:43 0:00 -bash
nobody 29271 0.8 0.3 28392 16468 ? S 14:44 0:26 /usr/local/apache
nobody 29272 0.7 0.4 28408 16908 ? S 14:44 0:22 /usr/local/apache
nobody 29273 0.5 0.3 26924 15400 ? S 14:44 0:16 /usr/local/apache
nobody 29274 0.6 0.3 26368 14980 ? S 14:44 0:20 /usr/local/apache
nobody 29275 0.5 0.3 26520 14600 ? S 14:44 0:16 /usr/local/apache
nobody 29278 0.6 0.3 26356 14856 ? S 14:44 0:18 /usr/local/apache
nobody 29279 0.5 0.3 26464 14560 ? S 14:44 0:16 /usr/local/apache
nobody 29280 0.9 0.3 26344 14444 ? S 14:44 0:27 /usr/local/apache
nobody 29281 0.8 0.3 26788 14896 ? S 14:44 0:25 /usr/local/apache
nobody 29282 0.5 0.3 25912 14012 ? S 14:44 0:18 /usr/local/apache
nobody 29283 0.5 0.3 26060 14284 ? S 14:44 0:17 /usr/local/apache
nobody 29284 0.8 0.3 26448 14952 ? S 14:44 0:24 /usr/local/apache
nobody 29285 0.6 0.3 26760 14984 ? S 14:44 0:20 /usr/local/apache
nobody 29286 0.8 0.4 28580 16800 ? S 14:44 0:26 /usr/local/apache
nobody 29287 0.9 0.3 26844 15072 ? S 14:44 0:28 /usr/local/apache
nobody 29288 0.5 0.3 27508 15584 ? S 14:44 0:17 /usr/local/apache
nobody 29289 0.5 0.3 26108 14192 ? S 14:44 0:17 /usr/local/apache
nobody 29290 0.7 0.3 28392 16592 ? S 14:44 0:22 /usr/local/apache
nobody 29291 0.7 0.3 27768 15964 ? S 14:44 0:23 /usr/local/apache
nobody 29292 0.8 0.4 29088 17176 ? S 14:44 0:26 /usr/local/apache
nobody 29293 0.6 0.3 26220 14316 ? S 14:44 0:21 /usr/local/apache
nobody 29301 0.7 0.3 26288 14368 ? S 14:44 0:22 /usr/local/apache
nobody 29302 0.5 0.3 25964 14460 ? S 14:44 0:16 /usr/local/apache
nobody 29303 0.4 0.3 26312 14396 ? S 14:44 0:14 /usr/local/apache
nobody 29304 0.6 0.4 29340 17540 ? S 14:44 0:18 /usr/local/apache
nobody 29305 0.4 0.3 25808 13860 ? S 14:44 0:14 /usr/local/apache
nobody 29306 0.9 0.3 25968 14072 ? S 14:44 0:28 /usr/local/apache
nobody 29307 0.4 0.3 25764 13864 ? S 14:44 0:14 /usr/local/apache
nobody 29309 0.7 0.3 28412 16496 ? S 14:44 0:21 /usr/local/apache
nobody 29310 0.5 0.4 28600 16704 ? S 14:44 0:17 /usr/local/apache
root 30489 0.0 0.0 2792 1080 pts/0 S+ 14:47 0:00 top
root 2185 0.0 0.0 6972 2316 ? Ss 14:55 0:00 sshd: root@pts/1
root 2479 0.0 0.0 5788 1404 pts/1 Ss 14:55 0:00 -bash
root 4108 0.0 0.2 19512 9052 ? S 14:59 0:00 cpsrvd - waiting
nobody 10595 0.0 0.3 25876 13668 ? S 15:11 0:00 /usr/local/apache
nobody 11902 0.0 0.2 22472 10432 ? S 15:15 0:00 /usr/local/apache
nobody 12861 0.0 0.3 26044 13784 ? S 15:16 0:00 /usr/local/apache
nobody 15291 0.6 0.3 25496 13552 ? S 15:22 0:05 /usr/local/apache
nobody 15359 0.4 0.3 25240 13352 ? S 15:22 0:03 /usr/local/apache
nobody 15977 0.8 0.3 26156 14216 ? S 15:23 0:06 /usr/local/apache
nobody 16536 0.6 0.4 32884 17252 ? S 15:25 0:03 /usr/local/apache
nobody 16629 1.0 0.3 25548 13592 ? S 15:26 0:06 /usr/local/apache
nobody 18010 0.6 0.3 25656 13516 ? S 15:30 0:01 /usr/local/apache
nobody 18020 0.2 0.3 25556 13592 ? S 15:30 0:00 /usr/local/apache
nobody 18030 0.6 0.3 25804 13856 ? S 15:30 0:01 /usr/local/apache
nobody 18043 0.8 0.3 25308 13344 ? S 15:30 0:02 /usr/local/apache
nobody 18044 1.0 0.3 25260 13324 ? S 15:30 0:03 /usr/local/apache
nobody 18049 0.8 0.3 26136 14028 ? S 15:30 0:02 /usr/local/apache
nobody 18050 0.3 0.3 25068 13108 ? S 15:30 0:01 /usr/local/apache
nobody 18094 1.0 0.3 26084 14160 ? S 15:30 0:03 /usr/local/apache
nobody 18100 0.1 0.3 25168 13156 ? S 15:30 0:00 /usr/local/apache
nobody 18314 0.9 0.3 25620 13664 ? S 15:31 0:02 /usr/local/apache
nobody 18317 0.7 0.3 25264 13276 ? S 15:31 0:01 /usr/local/apache
nobody 18318 1.1 0.3 25696 13776 ? S 15:31 0:02 /usr/local/apache
nobody 18336 0.6 0.3 25456 13456 ? S 15:31 0:01 /usr/local/apache
nobody 18433 0.6 0.3 25624 13788 ? S 15:32 0:01 /usr/local/apache
nobody 18445 0.9 0.3 25704 13736 ? S 15:32 0:01 /usr/local/apache
nobody 18450 0.3 0.3 26032 14032 ? S 15:32 0:00 /usr/local/apache
nobody 18505 0.9 0.3 27860 15888 ? S 15:32 0:01 /usr/local/apache
nobody 18520 1.0 0.3 28236 16248 ? S 15:32 0:01 /usr/local/apache
nobody 18525 0.8 0.3 26040 13900 ? S 15:32 0:01 /usr/local/apache
nobody 18529 1.1 0.3 25756 13764 ? S 15:32 0:02 /usr/local/apache
nobody 18534 0.8 0.3 25356 13516 ? S 15:32 0:01 /usr/local/apache
nobody 18538 1.3 0.3 25324 13220 ? S 15:32 0:02 /usr/local/apache
nobody 18726 0.2 0.2 24144 12128 ? S 15:33 0:00 /usr/local/apache
nobody 18727 0.0 0.1 17560 4920 ? S 15:33 0:00 /usr/local/apache
nobody 18729 0.0 0.1 17560 4920 ? S 15:33 0:00 /usr/local/apache
nobody 18731 0.5 0.3 25164 13036 ? S 15:33 0:00 /usr/local/apache
nobody 18735 0.0 0.1 17428 4860 ? S 15:33 0:00 /usr/local/apache
nobody 18746 0.0 0.1 17560 4920 ? S 15:33 0:00 /usr/local/apache
nobody 18750 0.1 0.3 24684 12488 ? S 15:33 0:00 /usr/local/apache
root 18770 0.0 0.2 19540 9320 ? S 15:33 0:00 whostmgrd - servi
nobody 19033 0.6 0.3 24704 12520 ? S 15:35 0:00 /usr/local/apache
nobody 19052 1.4 0.3 25232 13176 ? S 15:35 0:00 /usr/local/apache
nobody 19072 2.2 0.3 24548 12524 ? S 15:35 0:00 /usr/local/apache
nobody 19074 0.0 0.1 17428 4860 ? S 15:35 0:00 /usr/local/apache
nobody 19075 0.0 0.1 17428 4860 ? S 15:35 0:00 /usr/local/apache
nobody 19077 1.1 0.3 25024 12828 ? S 15:35 0:00 /usr/local/apache
nobody 19078 0.0 0.1 17560 4924 ? S 15:35 0:00 /usr/local/apache
nobody 19080 0.0 0.1 17428 4848 ? S 15:35 0:00 /usr/local/apache
nobody 19084 0.0 0.1 17428 4848 ? S 15:35 0:00 /usr/local/apache
nobody 19086 1.0 0.0 0 0 ? Z 15:35 0:00 [httpd] <defunct>
nobody 19087 0.0 0.1 17464 4880 ? S 15:35 0:00 /usr/local/apache
root 19158 0.0 0.0 3880 788 pts/1 R+ 15:35 0:00 ps aux

----------------------------------------------------------------------

top

top - 15:45:35 up 6 days, 23:03, 2 users, load average: 0.53, 0.62, 0.63
Tasks: 273 total, 1 running, 272 sleeping, 0 stopped, 0 zombie
Cpu(s): 15.2% us, 2.2% sy, 0.0% ni, 82.4% id, 0.2% wa, 0.0% hi, 0.0% si
Mem: 4151284k total, 4018196k used, 133088k free, 172844k buffers
Swap: 4096532k total, 112k used, 4096420k free, 2197836k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
19264 nobody 15 0 25552 13m 2160 S 15 0.3 0:02.20 httpd
7879 mysql 15 0 146m 49m 3992 S 11 1.2 1003:39 mysqld
21284 nobody 15 0 25372 13m 2168 S 11 0.3 0:01.28 httpd
29304 nobody 16 0 29336 17m 2344 S 7 0.4 0:21.54 httpd
18735 nobody 16 0 26268 13m 2160 S 7 0.3 0:03.65 httpd
21190 nobody 16 0 25260 12m 2164 S 6 0.3 0:01.30 httpd
19262 nobody 16 0 26696 14m 2220 S 5 0.4 0:03.38 httpd
19346 nobody 16 0 25940 13m 2184 S 5 0.3 0:02.58 httpd
18336 nobody 15 0 25456 13m 2148 S 0 0.3 0:03.71 httpd
19315 nobody 15 0 25748 13m 2136 S 0 0.3 0:03.08 httpd
19347 nobody 15 0 25156 12m 2144 S 0 0.3 0:01.20 httpd
20937 nobody 15 0 25260 12m 1964 S 0 0.3 0:00.23 httpd
20965 nobody 15 0 24996 12m 2192 S 0 0.3 0:02.18 httpd
21882 root 16 0 3480 1076 760 R 0 0.0 0:00.08 top
1 root 16 0 2296 548 472 S 0 0.0 0:37.24 init
2 root RT 0 0 0 0 S 0 0.0 0:01.83 migration/0
3 root 34 19 0 0 0 S 0 0.0 0:00.12 ksoftirqd/0
4 root RT 0 0 0 0 S 0 0.0 0:01.38 migration/1
5 root 34 19 0 0 0 S 0 0.0 0:00.18 ksoftirqd/1
6 root RT 0 0 0 0 S 0 0.0 1:09.02 migration/2
7 root 34 19 0 0 0 S 0 0.0 0:00.16 ksoftirqd/2
8 root RT 0 0 0 0 S 0 0.0 0:29.91 migration/3
9 root 34 19 0 0 0 S 0 0.0 0:00.14 ksoftirqd/3
10 root 5 -10 0 0 0 S 0 0.0 0:00.12 events/0

---------------------------------------------------------------------

netstat -nt | grep :80 | wc -l
1865



---------------------------------------------------------------------

my.cnf

[mysqld]
set-variable = max_connections=500
safe-show-database

----------------------------------------------------------------------

httpd.conf

Timeout 300
KeepAlive Off
MaxKeepAliveRequests 100
KeepAliveTimeout 15
MinSpareServers 5
MaxSpareServers 10
StartServers 5
MaxClients 300
MaxRequestsPerChild 0

----------------------------------------------------------------------

now server normal in other time it be so slow

please help me

Please post statistics from your peak/busy time. You may want to install mod_evasive for apache to prevent flood attacks (if any).

today load was 20 %

Yes, you may need mod_evasive as suggested earlier. Further I required output of below mentioned command when you server load is peak:

I use the following ps commands in order to check for performance probelms:

1) Displaying top CPU_consuming processes:

ps aux | head -1; ps aux | sort -rn +2 | head

2) Displaying top 10 memory-consuming processes:

ps aux | head -1; ps aux | sort -rn +3 | head