Strange high load problem

Hi,

i have a webserver that is running for quite some time. It ran fine for about 150 days or so. Last week i did an update with up2date(redhat). Since then my load is extremely high
Now on peak times it's usually above 7, or even above 10, while it was only between 1 and 2 before the upgrade.
I tried to boot with the old kernel, no difference.

Also strange is that there is no real reason why the load should be so high. I'm not swapping(yet), only the processor has a lot more todo then last week.
While there weren's any sites added, and also the traffic to the server is lower then it used to be.
Below there is a screenshot of top.
Can anyone explain why the load is so high suddenly?
Thanks

6:37pm up 17:58, 2 users, load average: 7.15, 7.61, 5.89
177 processes: 168 sleeping, 8 running, 1 zombie, 0 stopped
CPU states: 55.1% user, 11.9% system, 0.0% nice, 32.8% idle
Mem: 1029480K av, 989032K used, 40448K free, 0K shrd, 52920K buff
Swap: 2040244K av, 20936K used, 2019308K free 510204K cached

PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
11818 apache 15 0 27044 13M 9236 S 6.8 1.3 0:29 httpd
20070 apache 16 0 25224 11M 9356 R 5.2 1.1 0:00 httpd
19978 apache 15 0 24916 11M 9344 S 5.0 1.1 0:00 httpd
1031 apache 15 0 27376 13M 9436 S 4.1 1.3 1:17 httpd
19159 apache 15 0 24652 11M 9364 S 3.9 1.0 0:00 httpd
12218 apache 15 0 26276 12M 9328 S 3.7 1.2 0:33 httpd
11532 root 15 0 1212 1212 832 R 2.1 0.1 2:58 top
8370 root 16 0 1228 1228 832 S 1.9 0.1 3:03 top
20269 mysql 16 0 13928 12M 1984 R 1.5 1.2 0:00 mysqld
26465 apache 15 0 27932 14M 9264 S 0.7 1.4 1:04 httpd
17987 apache 15 0 25008 11M 9376 S 0.7 1.1 0:02 httpd
18382 apache 15 0 24724 11M 9384 S 0.7 1.1 0:00 httpd
5937 apache 15 0 26844 13M 9268 S 0.5 1.3 0:10 httpd
19182 apache 15 0 24924 11M 9356 S 0.5 1.1 0:00 httpd
4352 apache 15 0 27148 13M 9208 S 0.3 1.3 0:57 httpd
12215 apache 16 0 25688 12M 9412 R 0.3 1.2 0:36 httpd
18664 apache 15 0 23328 9940 9432 S 0.3 0.9 0:00 httpd
965 mysql 15 0 13928 12M 1984 S 0.1 1.2 0:16 mysqld
1033 apache 15 0 26916 13M 9680 S 0.1 1.3 1:10 httpd
1090 apache 15 0 26604 13M 9128 S 0.1 1.3 1:14 httpd
1095 apache 15 0 27532 14M 9396 S 0.1 1.4 1:21 httpd
15258 apache 15 0 26116 12M 9048 S 0.1 1.2 0:21 httpd
15346 apache 15 0 25988 12M 9060 S 0.1 1.2 0:26 httpd
662 apache 15 0 25172 11M 9320 S 0.1 1.1 0:07 httpd
3005 apache 15 0 25588 12M 9300 S 0.1 1.1 0:12 httpd
10366 apache 15 0 25928 12M 9332 S 0.1 1.2 0:05 httpd
17969 apache 15 0 24652 11M 9344 S 0.1 1.0 0:01 httpd
18484 apache 15 0 24548 10M 9360 S 0.1 1.0 0:00 httpd
19162 apache 15 0 24960 11M 9420 S 0.1 1.1 0:00 httpd
19180 apache 15 0 25100 11M 9404 S 0.1 1.1 0:00 httpd
20102 qmaild 15 0 368 368 288 S 0.1 0.0 0:00 qmail-smtpd

 

 

 

 

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