เดิมRam4GBเพิ่มเป็น 8GBต้องแก้ไขตรงไหนบ้างครับ

[SV_Phichit]

#Begin /etc/my.cnf
[client]
port                = 3306
socket                = /var/lib/mysql/mysql.sock
default-character-set=tis620

[mysqld]
port                = 3306
socket                = /var/lib/mysql/mysql.sock
skip-locking
key_buffer = 384M
max_allowed_packet = 16M
table_cache = 1000
sort_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 4M
myisam_sort_buffer_size = 128M
thread_cache = 8
query_cache_size= 32M
thread_concurrency = 8
default-character-set=tis620
skip-name-resolve
innodb_file_per_table
skip-character-set-client-handshake
init_connect = 'SET NAMES tis620'
max_connections=500
innodb_data_home_dir = /var/lib/mysql/
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /var/lib/mysql/
#innodb_log_arch_dir = /var/lib/mysql/
innodb_buffer_pool_size = 384M
innodb_additional_mem_pool_size = 20M
innodb_log_file_size = 5242880
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50

[mysqldump]
quick
max_allowed_packet = 16M
allow-keywords

[mysql]
no-auto-rehash
default-character-set=tis620

[isamchk]
key_buffer = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M

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

[mysqlhotcopy]
interactive-timeout
#End /etc/my.cnf