Mysql Performence config ?

Hi

i use MySQL Server 5.1.42 on a IBM Xseries x3950 (32Go,4xDual
Core,Mandriva 64 Bits, 250 GoRAID SAS).

I search the best my.cnf configuration for performence, actually i use :

[client]
port = 3306
socket = /var/lib/mysql/mysql.sock

[mysqld]
port = 3306
socket = /var/lib/mysql/mysql.sock
skip-locking
key_buffer_size = 256M
max_allowed_packet = 1M
table_open_cache = 256
sort_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 4M
myisam_sort_buffer_size = 64M
thread_cache_size = 8
query_cache_size= 16M
thread_concurrency = 8
log-bin=mysql-bin
binlog_format=mixed
server-id = 1

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout





On this serveur, i have 3 database with a table of ~30 000 000 of
entry for ~3.5Go


Thanks for your help
Stephane

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