That is all commented values, that is content of your /etc/my.cnf ?

Try this configuration


Code:
[mysqld]
datadir=/var/lib/mysql
skip-locking
safe-show-database
query_cache_limit=1M
query_cache_size=256M
query_cache_type=1
max_user_connections=30
max_connections=500
interactive_timeout=10
wait_timeout=20
connect_timeout=20
thread_cache_size=128
key_buffer=256M
join_buffer=1M
max_connect_errors=20
max_allowed_packet=16M
table_cache=1024
record_buffer=1M
sort_buffer_size=8M
read_buffer_size=8M
read_rnd_buffer_size=8M
thread_concurrency=16
myisam_sort_buffer_size=64M
server-id=1

[mysql.server]
user=mysql

[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