How to optimize mysql

[vgnheart]

i checked vi /etc/my.cnf

the contents are

[mysqld]
set-variable = max_connections=500
safe-show-database


I already searched about my sql tuner etc.

but where is the following located

tmp_table_size = 64M
max_allowed_packet = 64M
max_connect_errors = 10
query_cache_limit = 1M
query_cache_size = 32M
query_cache_type = 1
query_prealloc_size = 16384
query_alloc_block_size = 16384

. In my my.cnf file there is no such things.

some one pls help me.

in my server around 150 online. server is

intel i7 920 , 8gb ram. now almost 82% of ram is used.

someone pls help me

vgnheart Reviewed by vgnheart on 20th Jun 2009. How to optimize mysql i checked vi /etc/my.cnf the contents are set-variable = max_connections=500 safe-show-database I already searched about my sql tuner etc. Rating: 5