Ciao ragazzi,
da stamane il nostro server, che lavora perfettamente da anni oramai, è estremamente lento sia nella risposta dell'interfaccia web sia nelle operazioni SMTP e IMAP.
Ho dato un top e vedo :
top - 13:17:08 up 1:24, 1 user, load average: 12.27, 7.62, 4.35
Tasks: 170 total, 2 running, 168 sleeping, 0 stopped, 0 zombie
Cpu(s): 3.8% us, 5.4% sy, 0.0% ni, 0.0% id, 89.4% wa, 1.3% hi, 0.0% si
Mem: 255800k total, 250172k used, 5628k free, 648k buffers
Swap: 524280k total, 217248k used, 307032k free, 13724k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5830 root 16 0 8572 1456 1360 S 2.6 0.6 0:06.13 sshd
6259 www 16 0 18488 7164 3648 S 2.6 2.8 0:00.25 php
40 root 15 0 0 0 0 S 1.9 0.0 0:57.48 kswapd0
5995 root 17 0 3184 944 692 R 1.3 0.4 0:03.21 top
3575 mysql 17 0 37228 1352 988 S 0.3 0.5 0:00.75 mysqld
6248 qpsmtpd 18 0 16828 4944 972 D 0.3 1.9 0:00.30 qpsmtpd-forkser
6250 qpsmtpd 17 0 16828 4316 1252 D 0.3 1.7 0:00.30 qpsmtpd-forkser
1 root 16 0 2936 252 232 S 0.0 0.1 0:01.09 init
2 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/0
3 root 5 -10 0 0 0 S 0.0 0.0 0:00.03 events/0
4 root 6 -10 0 0 0 S 0.0 0.0 0:00.05 khelper
5 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 kthread
6 root 15 -10 0 0 0 S 0.0 0.0 0:00.00 kacpid
20 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 kblockd/0
21 root 15 0 0 0 0 S 0.0 0.0 0:00.00 khubd
38 root 15 0 0 0 0 S 0.0 0.0 0:00.13 pdflush
39 root 15 0 0 0 0 S 0.0 0.0 0:00.25 pdflush
41 root 8 -10 0 0 0 S 0.0 0.0 0:00.00 aio/0
185 root 25 0 0 0 0 S 0.0 0.0 0:00.00 kseriod
433 root 15 0 0 0 0 S 0.0 0.0 0:00.00 md1_raid1
435 root 15 0 0 0 0 S 0.0 0.0 0:00.09 md2_raid1
440 root 15 0 0 0 0 S 0.0 0.0 0:00.75 kjournald
962 root 6 -10 0 0 0 S 0.0 0.0 0:00.00 kauditd
1052 root 16 0 2620 196 196 S 0.0 0.1 0:00.21 udevd
2200 root 15 0 0 0 0 S 0.0 0.0 0:00.00 kjournald
2495 root 18 0 2360 156 156 S 0.0 0.1 0:00.00 mingetty
2496 root 16 0 36 24 12 S 0.0 0.0 0:00.09 runsvdir
2735 root 16 0 20 16 8 S 0.0 0.0 0:00.00 runsv
[.....]
Penso sia un problema di carico ma non so come investigare ulteriormente. Mi date una mano ? Grazie.
Di che altre informazioni si può aver bisogno ?