Something

[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).
old_passwords=1

max_allowed_packet   = 40M
query_cache_limit    = 500M   # default was 1M
query_cache_type     = 1
#tmp_table_size      = 32M
thread_cache = 256
thread_concurrency=15


## new

key_buffer              = 16M  # was 256
thread_stack            = 128K
thread_cache_size       = 500
query_cache_size        = 50M

log-bin
server-id = 1

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

[mysqld_safe]
err-log=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid