My server is raq4i
Why ?
What can I do

top

1:07am up 3 days, 23:18, 1 user, load average: 1.89, 1.50, 1.34
128 processes: 125 sleeping, 3 running, 0 zombie, 0 stopped
CPU states: 90.6% user, 9.3% system, 0.0% nice, 0.0% idle
Mem: 128040K av, 111204K used, 16836K free, 204864K shrd, 2712K buff
Swap: 131532K av, 78444K used, 53088K free 29376K cached

PID USER PRI NI SIZE RSS SHARE STAT LIB %CPU %MEM TIME COMMAND
305 root 15 0 384 24 16 R 0 87.5 0.0 392:35 klogd
3882 admin 6 0 924 924 680 R 0 2.7 0.7 0:02 top
23939 httpd 0 0 8780 2836 2016 S 0 0.1 2.2 0:03 httpd
1 root 0 0 120 68 52 S 0 0.0 0.0 0:19 init
2 root 0 0 0 0 0 SW 0 0.0 0.0 3:04 kflushd
3 root 0 0 0 0 0 SW 0 0.0 0.0 1:24 kupdate
4 root 0 0 0 0 0 SW 0 0.0 0.0 0:00 kpiod
5 root 0 0 0 0 0 SW 0 0.0 0.0 0:39 kswapd
6 root -20 -20 0 0 0 SW< 0 0.0 0.0 0:00 mdrecoveryd
296 root 0 0 216 160 136 S 0 0.0 0.1 0:04 syslogd
335 root 0 0 180 120 88 S 0 0.0 0.0 0:00 crond
347 root 0 0 108 60 44 S 0 0.0 0.0 0:00 inetd
376 root 0 0 1236 768 572 S 0 0.0 0.5 0:00 named
382 root 0 0 244 144 112 S 0 0.0 0.1 0:01 sshd
475 postgres 5 5 768 540 312 S N 0 0.0 0.4 0:04 postmaster
550 root 0 0 396 276 244 S 0 0.0 0.2 0:00 caspd
551 root 0 0 396 276 244 S 0 0.0 0.2 0:00 caspd
552 root 0 0 396 276 244 S 0 0.0 0.2 0:01 caspd
659 root 0 0 52 48 40 S 0 0.0 0.0 0:01 lcdsleep
701 root 0 0 76 0 0 SW 0 0.0 0.0 0:00 getty
1402 root 0 0 6788 3828 2796 S 0 0.0 2.9 0:00 httpd
1403 httpd 0 0 8832 3516 2708 S 0 0.0 2.7 0:18 httpd
1404 httpd 0 0 8804 2744 1956 S 0 0.0 2.1 0:18 httpd
1405 httpd 0 0 8876 3540 2748 S 0 0.0 2.7 0:16 httpd
1407 httpd 0 0 8796 2760 1964 S 0 0.0 2.1 0:17 httpd
1410 httpd 0 0 8388 1304 1096 S 0 0.0 1.0 0:15 httpd
1412 httpd 0 0 8852 3432 2644 S 0 0.0 2.6 0:17 httpd
1413 httpd 0 0 8820 3492 2696 S 0 0.0 2.7 0:17 httpd

What can it be ?

I had same problem, when ever there is a jump in load klogd starts using a lot of CPU power. I reboot and it goes away!