I got server overload messages a couple of times / day. this is a copy of top:
20203 mysql 20 0 13328 9M 2600 R 2.2 2.0 0:00 mysqld
20179 mysql 14 0 13328 9M 2600 R 1.9 2.0 0:00 mysqld
20182 mysql 14 0 13328 9M 2600 R 1.5 2.0 0:00 mysqld
29590 root 9 0 1192 1192 828 R 1.3 0.2 0:19 top
20142 nobody 9 0 5172 4784 4360 R 1.1 0.9 0:00 httpd
20175 mysql 14 0 13328 9M 2600 R 1.1 2.0 0:00 mysqld
15583 nobody 9 0 6856 6472 4436 R 0.9 1.2 0:13 httpd
15474 nobody 9 0 7352 6968 4712 S 0.7 1.3 0:13 httpd
22740 nobody 9 0 6944 6596 4592 S 0.7 1.3 0:11 httpd
31572 nobody 9 0 5492 5104 4496 S 0.7 1.0 0:03 httpd
18401 nobody 9 0 5168 4780 4396 S 0.7 0.9 0:00 httpd
15601 nobody 9 0 5752 5364 4832 S 0.5 1.0 0:15 httpd
15631 nobody 9 0 6680 6292 4344 S 0.5 1.2 0:13 httpd
15648 nobody 9 0 5852 5464 4836 S 0.5 1.0 0:12 httpd
15671 nobody 9 0 5928 5540 4696 S 0.5 1.0 0:14 httpd
11716 nobody 9 0 5448 5060 4416 S 0.5 1.0 0:02 httpd
13972 nobody 9 0 5400 5012 4428 R 0.5 0.9 0:02 httpd
18792 nobody 9 0 5328 4940 4396 R 0.5 0.9 0:02 httpd
16468 nobody 9 0 5408 5020 4412 S 0.5 0.9 0:00 httpd
1619 mysql 15 0 13328 9M 2600 R 0.3 2.0 14:36 mysqld
15521 nobody 9 0 5644 5256 4448 S 0.3 1.0 0:13 httpd
15576 nobody 9 0 6604 6216 4344 S 0.3 1.2 0:12 httpd
15602 nobody 9 0 5488 5100 4440 S 0.3 1.0 0:13 httpd
15636 nobody 9 0 5644 5256 4476 S 0.3 1.0 0:12 httpd
15638 nobody 9 0 6436 6048 4420 S 0.3 1.1 0:13 httpd
15641 nobody 9 0 6740 6356 4440 S 0.3 1.2 0:14 httpd
15646 nobody 9 0 6924 6536 4376 S 0.3 1.2 0:12 httpd
9656 nobody 9 0 5320 4932 4412 S 0.3 0.9 0:03 httpd
31579 nobody 9 0 5336 4948 4396 S 0.3 0.9 0:01 httpd
19287 nobody 9 0 5256 4868 4368 S 0.3 0.9 0:00 httpd
19288 nobody 9 0 5300 4912 4388 S 0.3 0.9 0:00 httpd
19345 nobody 9 0 5256 4868 4372 S 0.3 0.9 0:00 httpd
13 root 9 0 0 0 0 SW 0.1 0.0 2:40 kjournal
20203 mysql 20 0 13328 9M 2600 R 2.2 2.0 0:00 mysqld
20179 mysql 14 0 13328 9M 2600 R 1.9 2.0 0:00 mysqld
20182 mysql 14 0 13328 9M 2600 R 1.5 2.0 0:00 mysqld
29590 root 9 0 1192 1192 828 R 1.3 0.2 0:19 top
20142 nobody 9 0 5172 4784 4360 R 1.1 0.9 0:00 httpd
20175 mysql 14 0 13328 9M 2600 R 1.1 2.0 0:00 mysqld
15583 nobody 9 0 6856 6472 4436 R 0.9 1.2 0:13 httpd
15474 nobody 9 0 7352 6968 4712 S 0.7 1.3 0:13 httpd
22740 nobody 9 0 6944 6596 4592 S 0.7 1.3 0:11 httpd
31572 nobody 9 0 5492 5104 4496 S 0.7 1.0 0:03 httpd
18401 nobody 9 0 5168 4780 4396 S 0.7 0.9 0:00 httpd
15601 nobody 9 0 5752 5364 4832 S 0.5 1.0 0:15 httpd
15631 nobody 9 0 6680 6292 4344 S 0.5 1.2 0:13 httpd
15648 nobody 9 0 5852 5464 4836 S 0.5 1.0 0:12 httpd
15671 nobody 9 0 5928 5540 4696 S 0.5 1.0 0:14 httpd
11716 nobody 9 0 5448 5060 4416 S 0.5 1.0 0:02 httpd
13972 nobody 9 0 5400 5012 4428 R 0.5 0.9 0:02 httpd
18792 nobody 9 0 5328 4940 4396 R 0.5 0.9 0:02 httpd
16468 nobody 9 0 5408 5020 4412 S 0.5 0.9 0:00 httpd
1619 mysql 15 0 13328 9M 2600 R 0.3 2.0 14:36 mysqld
15521 nobody 9 0 5644 5256 4448 S 0.3 1.0 0:13 httpd
15576 nobody 9 0 6604 6216 4344 S 0.3 1.2 0:12 httpd
15602 nobody 9 0 5488 5100 4440 S 0.3 1.0 0:13 httpd
15636 nobody 9 0 5644 5256 4476 S 0.3 1.0 0:12 httpd
15638 nobody 9 0 6436 6048 4420 S 0.3 1.1 0:13 httpd
15641 nobody 9 0 6740 6356 4440 S 0.3 1.2 0:14 httpd
15646 nobody 9 0 6924 6536 4376 S 0.3 1.2 0:12 httpd
9656 nobody 9 0 5320 4932 4412 S 0.3 0.9 0:03 httpd
31579 nobody 9 0 5336 4948 4396 S 0.3 0.9 0:01 httpd
19287 nobody 9 0 5256 4868 4368 S 0.3 0.9 0:00 httpd
19288 nobody 9 0 5300 4912 4388 S 0.3 0.9 0:00 httpd
19345 nobody 9 0 5256 4868 4372 S 0.3 0.9 0:00 httpd
13 root 9 0 0 0 0 SW 0.1 0.0 2:40 kjournal