Controlling mysql loads

Hello forum

Any further suggestions on controlling the loads from certain domains on a server, already my.cnf, but would like to limit certain accounts to using too much of cpu with mysql processes

[client]
port = 3306
#socket = /tmp/mysql.sock
[mysqld]
port = 3306
#socket = /tmp/mysql.sock
skip-locking
set-variable = key_buffer=16M
set-variable = max_allowed_packet=16M
set-variable = table_cache=64
set-variable = sort_buffer=512K
set-variable = net_buffer_length=8K
set-variable = myisam_sort_buffer_size=8M
set-variable = max_connections=500
set-variable = max_user_connections=45
set-variable = interactive_timeout=20

skip-innodb
query_cache_limit = 1M
query_cache_size = 32M
query_cache_type = 1


[mysqldump]
quick
set-variable = max_allowed_packet=16M

[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates

[isamchk]
set-variable = key_buffer=20M
set-variable = sort_buffer=20M
set-variable = read_buffer=2M
set-variable = write_buffer=2M

[myisamchk]
set-variable = key_buffer=20M
set-variable = sort_buffer=20M
set-variable = read_buffer=2M
set-variable = write_buffer=2M

[mysqlhotcopy]
interactive-timeout

thankyou for any suggestions in advance.

 

 

 

 

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