Server load high

top - 03:54:39 up 2 days, 17:09, 1 user, load average: 14.01, 9.45, 6.22
Tasks: 165 total, 18 running, 147 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.2% us, 2.9% sy, 96.9% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 2066056k total, 1158892k used, 907164k free, 44940k buffers
Swap: 1052248k total, 97564k used, 954684k free, 193752k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
19819 apache 20 4 75420 64m 10m S 21.5 3.2 0:25.32 httpd
19827 apache 20 4 77596 66m 10m S 19.8 3.3 0:24.50 httpd
19820 apache 19 4 56340 45m 10m S 16.1 2.3 0:25.24 httpd
20605 apache 27 4 54716 43m 10m R 15.3 2.2 0:03.34 httpd
19810 apache 20 4 60984 50m 10m R 14.0 2.5 0:18.23 httpd
20497 apache 29 4 71436 60m 10m R 13.6 3.0 0:04.72 httpd
19817 apache 29 4 98.8m 89m 10m R 12.8 4.4 0:21.90 httpd
20527 apache 22 4 56360 45m 10m R 11.6 2.3 0:04.31 httpd
19809 apache 20 4 55756 45m 10m R 10.7 2.2 0:23.51 httpd
20482 apache 19 4 49996 39m 10m S 9.5 1.9 0:07.10 httpd
19806 apache 20 4 60904 49m 10m R 8.3 2.5 0:25.35 httpd
20619 apache 19 4 50132 39m 10m S 8.3 1.9 0:01.79 httpd
19818 apache 20 4 55728 44m 10m R 7.8 2.2 0:23.18 httpd
19813 apache 20 4 75552 64m 10m R 7.4 3.2 0:23.00 httpd
19814 apache 19 4 56512 45m 10m S 6.2 2.3 0:27.11 httpd
19823 apache 20 4 56468 45m 10m S 2.9 2.3 0:21.92 httpd
19828 apache 19 4 54668 43m 10m S 2.9 2.2 0:24.65 httpd
20496 apache 20 4 50388 39m 10m R 2.9 2.0 0:06.95 httpd
19807 apache 19 4 55592 44m 10m S 2.5 2.2 0:22.12 httpd
19816 apache 20 4 56140 45m 10m R 1.7 2.2 0:25.61 httpd
24401 root 15 0 32596 16m 396 S 1.2 0.8 6:11.00 eserver
14955 mysql 21 6 117m 73m 1640 R 0.8 3.6 0:22.52 mysqld
20606 apache 19 4 49996 39m 10m S 0.8 1.9 0:02.67 httpd
20617 root 17 0 2960 996 744 R 0.8 0.0 0:00.24 top
200 root 15 0 0 0 0 S 0.4 0.0 0:39.40 kjournald
14038 mysql 21 6 117m 73m 1640 S 0.4 3.6 0:19.71 mysqld
19811 apache 20 4 58388 47m 10m R 0.4 2.4 0:25.27 httpd
19829 apache 20 4 58376 47m 10m R 0.4 2.4 0:23.22 httpd
1 root 16 0 3232 284 256 S 0.0 0.0 0:03.91 init
2 root RT 0 0 0 0 S 0.0 0.0 0:08.78 migration/0

warning, got duplicate tcp line.
246

[mysqld]
#datadir=/var/lib/mysql
#socket=/var/lib/mysql/mysql.sock
skip-locking
skip-innodb
query_cache_limit=1M
query_cache_size=32M
query_cache_type=1
max_connections=500
interactive_timeout=100
wait_timeout=100
connect_timeout=10
thread_cache_size=128
key_buffer=16M
join_buffer=1M
max_allowed_packet=16M
table_cache=1024
record_buffer=1M
sort_buffer_size=2M
read_buffer_size=2M
max_connect_errors=10
# Try number of CPU's*2 for thread_concurrency
thread_concurrency=1
myisam_sort_buffer_size=64M
log-bin
server-id=1

[mysql.server]
user=mysql
basedir=/var/lib

[safe_mysqld]
err-log=/var/log/mysqld.log
#pid-file=/var/lib/mysql/mysql.pid
open_files_limit=8192

[mysqldump]
quick
max_allowed_packet=16M

[mysql]
no-auto-rehash
#safe-updates

[isamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M

[myisamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M

[mysqlhotcopy]
interactive-timeout

RLimitMEM 10000000 16300000
RLimitCPU 10 15
RLimitNPROC 14 20
Timeout 300
KeepAlive On
MaxKeepAliveRequests 500
KeepAliveTimeout 5
MinSpareServers 8
MaxSpareServers 20
StartServers 8
MaxClients 200
MaxRequestsPerChild 1000