32G mysql db 优化

新配了台8核32G内存机器做数据服务器，不知道网管怎么搞的，装的32位系统。

简单改了下配置

[mysqld]

skip-locking
skip-name-resolve
key_buffer_size = 10240M
max_allowed_packet = 16M
table_open_cache = 1024
sort_buffer_size = 128M
net_buffer_length = 128M
read_buffer_size = 128M
read_rnd_buffer_size = 64M
myisam_sort_buffer_size = 256M


thread_cache_size = 32
query_cache_size = 1024M
thread_concurrency = 12
max_connections = 2048
wait_timeout = 30