Mi VPS nunca parece ser suficiente

[Marchello]

Un 'top':

top - 18:44:52 up 8 days, 4:56, 1 user, load average: 0.29, 0.20, 0.18
Tasks: 73 total, 1 running, 70 sleeping, 0 stopped, 2 zombie
Cpu(s): 1.8% us, 1.2% sy, 0.0% ni, 97.0% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 921600k total, 742484k used, 179116k free, 0k buffers
Swap: 0k total, 0k used, 0k free, 0k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
14011 nobody 15 0 24764 15m 3144 S 17 1.7 0:26.20 httpd
31772 mysql 16 0 325m 175m 4188 S 7 19.5 911:29.98 mysqld
15819 root 16 0 2116 1056 828 R 0 0.1 0:00.05 top
1 root 16 0 1980 656 568 S 0 0.1 0:03.19 init
30597 root 16 0 1644 568 480 S 0 0.1 0:05.37 syslogd
30602 root 20 0 1588 400 336 S 0 0.0 0:00.00 klogd
30651 root 21 0 1568 420 356 S 0 0.0 0:00.00 courierlogger
30652 root 15 0 1928 624 520 S 0 0.1 0:00.03 authdaemond
30659 root 16 0 1928 380 264 S 0 0.0 0:01.24 authdaemond
30660 root 16 0 1928 380 264 S 0 0.0 0:01.28 authdaemond
30672 root 16 0 6960 1048 668 S 0 0.1 0:00.01 sshd
30699 root 18 0 2636 864 700 S 0 0.1 0:00.00 xinetd
30712 root 17 0 2368 1152 996 S 0 0.1 0:00.02 mysqld_safe
31791 root 20 0 1572 344 288 S 0 0.0 0:00.00 courierlogger
31792 root 18 0 1680 516 440 S 0 0.1 0:00.01 couriertcpd
31802 root 18 0 1572 344 288 S 0 0.0 0:00.00 courierlogger
31803 root 19 0 1680 516 440 S 0 0.1 0:00.01 couriertcpd
31808 root 15 0 1572 424 356 S 0 0.0 0:02.37 courierlogger
31809 root 15 0 1680 536 460 S 0 0.1 0:02.33 couriertcpd
31815 root 18 0 1572 344 288 S 0 0.0 0:00.00 courierlogger
31816 root 22 0 1680 516 440 S 0 0.1 0:00.01 couriertcpd
31882 root 16 0 18268 9996 4104 S 0 1.1 0:24.05 httpd
31891 root 15 0 5076 1512 1180 S 0 0.2 0:00.31 pure-ftpd
31895 root 16 0 4804 1092 860 S 0 0.1 0:00.07 pure-authd
31905 root 15 0 3204 1112 576 S 0 0.1 0:04.63 crond
31951 xfs 16 0 3220 1152 740 S 0 0.1 0:00.01 xfs
32204 root 23 0 5396 700 436 S 0 0.1 0:00.00 saslauthd
32208 root 23 0 5396 428 164 S 0 0.0 0:00.00 saslauthd
32246 root 18 0 1600 428 348 S 0 0.0 0:00.00 portsentry
5445 mailnull 16 0 10128 2620 2128 S 0 0.3 0:18.12 exim
5453 mailnull 16 0 10124 2596 2116 S 0 0.3 0:00.13 exim
14318 named 24 0 108m 3860 2032 S 0 0.4 0:01.08 named
12048 root 15 0 18268 7012 1144 S 0 0.8 0:00.00 httpd
15504 root 34 19 3728 1756 844 S 0 0.2 0:00.62 cpanellogd
15531 root 16 0 5068 3500 1300 S 0 0.4 0:38.46 tailwatchd
15540 root 20 0 5688 3668 932 S 0 0.4 0:00.00 cphulkd.pl
15578 root 22 0 14308 7272 436 S 0 0.8 0:00.00 cpdavd
29757 root 15 0 18232 7984 1008 S 0 0.9 0:01.52 cpsrvd-ssl
5219 nobody 16 0 23684 14m 3096 S 0 1.6 0:45.42 httpd
30166 nobody 16 0 24264 15m 3156 S 0 1.7 0:49.21 httpd
32598 nobody 15 0 24456 15m 3072 S 0 1.7 0:26.36 httpd
32623 nobody 16 0 24708 15m 3156 S 0 1.7 0:32.49 httpd
32630 nobody 15 0 22872 13m 3100 S 0 1.5 0:31.78 httpd
32669 nobody 16 0 24484 15m 3116 S 0 1.7 0:38.28 httpd
29953 nobody 16 0 24164 14m 3148 S 0 1.7 0:30.20 httpd
30137 nobody 15 0 26356 16m 3080 S 0 1.9 0:30.99 httpd
14008 nobody 16 0 24560 15m 3072 S 0 1.7 0:22.08 httpd
14017 nobody 16 0 24752 15m 3072 S 0 1.7 0:20.30 httpd
14018 nobody 16 0 25056 15m 3168 S 0 1.8 0:19.29 httpd
15921 nobody 15 0 24468 15m 3088 S 0 1.7 0:22.11 httpd
30038 nobody 16 0 24816 15m 3168 S 0 1.7 0:22.33 httpd
1868 nobody 16 0 25080 15m 3136 S 0 1.8 0:22.10 httpd
1888 nobody 16 0 24212 14m 3080 S 0 1.7 0:19.27 httpd
15668 nobody 16 0 24488 15m 3124 S 0 1.7 0:20.09 httpd

Por favor, a ver si me podéis echar una mano. Cualquier cosa que podáis necesitar para comprobar más cosas decírmela y la posteo en este hilo

GRACIAS!