my.cnf

[client]
port            = 3306
socket          = /var/lib/mysql/mysql.sock
#default-character-set = utf8

[mysqld_safe]
open-files-limit = 32768

[mysqld]
port               = 3306
socket             = /var/lib/mysql/mysql.sock
#default-character-set = utf8
wait_timeout       = 28800
max_allowed_packet = 16M
table_cache        = 8192
thread_cache_size  = 256

max_heap_table_size = 32M
tmp_table_size      = 32M
sort_buffer_size    = 256k
read_buffer_size    = 256k

################################################################################
# MyISAM
################################################################################

# As you convert to InnoDB, consider lowering:
# SELECT SUM(index_length)/1024/1024/1024 AS index_in_gb
#   FROM information_schema.tables
#   WHERE engine='MyISAM';

key_buffer = 1G # 2GB

read_rnd_buffer_size    = 256k
myisam_sort_buffer_size = 128M

################################################################################
# InnoDB
################################################################################

innodb_lock_wait_timeout = 60

################################################################################
# REPLICATION
################################################################################

query_cache_size = 64M
query_cache_type = 1
thread_concurrency = 16
log-bin=mysql-bin
server-id       = 21
max_connections = 750
max_connect_errors = 100

# SERIOUSLY CONSIDER REMOVING THESE
# auto_increment_increment = 3
# auto_increment_offset = 1

innodb_log_group_home_dir = /var/lib/mysql
innodb_buffer_pool_size = 35G # 10G
innodb_log_file_size = 256M
innodb_log_buffer_size = 4M
innodb_flush_method = O_DIRECT
innodb_flush_log_at_trx_commit = 2
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_files_in_group = 2
innodb_data_home_dir = /var/lib/mysql
datadir = /var/lib/mysql
skip-slave-start
wait_timeout = 28800
net_read_timeout = 60
net_write_timeout = 80

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash

[isamchk]
key_buffer = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M

[myisamchk]
key_buffer = 512M
sort_buffer_size = 512M
read_buffer = 4M
write_buffer = 4M

[mysqlhotcopy]