Very High Load (at times)
Why system load is very high at times? 5-20min.[root@agent root]# top
22:28:42 up 13:06, 2 users, load average: 100.10, 32.00, 11.75
333 processes: 332 sleeping, 1 running, 0 zombie, 0 stopped
CPU states: cpu user nice system irq softirq iowait idle
total 26.0% 0.0% 20.9% 0.0% 0.5% 52.3% 0.0%
cpu00 14.9% 0.0% 13.9% 0.0% 1.1% 69.9% 0.0%
cpu01 37.1% 0.0% 28.0% 0.0% 0.0% 34.7% 0.0%
Mem: 1025192k av, 1009220k used, 15972k free, 0k shrd, 5056k buff
685624k actv, 172192k in_d, 21740k in_c
Swap: 1052248k av, 758576k used, 293672k free 103292k cached
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND
25122 apache 25 0 872M 489M 224 D 39.7 48.9 2:50 0 httpd
7 root 15 0 0 0 0 SW 1.3 0.0 0:34 0 kswapd
23976 root 16 0 77976 156 92 S 0.5 0.0 0:04 0 httpd
8 root 15 0 0 0 0 SW 0.4 0.0 1:35 0 kscand
18149 root 15 0 1000 960 380 S 0.4 0.0 1:25 0 top
24399 root 15 0 992 956 396 R 0.3 0.0 0:03 0 top
25460 apache 15 0 78584 5584 700 D 0.1 0.5 0:00 1 httpd
25483 apache 16 0 78688 2588 804 D 0.1 0.2 0:00 0 httpd
1 root 15 0 104 68 44 S 0.0 0.0 0:04 0 init
2 root RT 0 0 0 0 SW 0.0 0.0 0:00 0 migration/0
3 root RT 0 0 0 0 SW 0.0 0.0 0:00 1 migration/1
4 root 15 0 0 0 0 SW 0.0 0.0 0:00 1 keventd
5 root 34 19 0 0 0 SWN 0.0 0.0 0:00 0 ksoftirqd/0
6 root 34 19 0 0 0 SWN 0.0 0.0 0:00 1 ksoftirqd/1
9 root 15 0 0 0 0 SW 0.0 0.0 0:00 1 bdflush
10 root 15 0 0 0 0 SW 0.0 0.0 0:05 1 kupdated
11 root 25 0 0 0 0 SW 0.0 0.0 0:00 1 mdrecoveryd
19 root 25 0 0 0 0 SW 0.0 0.0 0:00 1 scsi_eh_0
22 root 15 0 0 0 0 SW 0.0 0.0 0:41 1 kjournald
100 root 25 0 0 0 0 SW 0.0 0.0 0:00 0 khubd
1611 root 15 0 0 0 0 DW 0.0 0.0 0:06 0 kjournald
1613 root 15 0 0 0 0 SW 0.0 0.0 0:01 1 loop0
1614 root 15 0 0 0 0 SW 0.0 0.0 0:02 1 kjournald
2045 root 15 0 204 180 124 S 0.0 0.0 0:10 1 syslogd
2049 root 15 0 60 4 0 S 0.0 0.0 0:00 1 klogd
2059 root 15 0 236 228 172 S 0.0 0.0 0:01 1 irqbalance
3029 root 15 0 240 4 0 S 0.0 0.0 0:00 1 sshd
3043 root 16 0 120 4 0 S 0.0 0.0 0:00 0 xinetd
3052 clamav 15 0 15864 2116 4 S 0.0 0.2 0:00 1 clamd
3061 root 15 0 352 308 252 S 0.0 0.0 0:05 1 da-popb4smtp
3070 nobody 16 0 256 4 0 S 0.0 0.0 0:01 0 directadmin