config.cnf

[mysql]

# CLIENT #
port                           = 3306

[mysqld]

# GENERAL #
user                           = mysql
default-storage-engine         = InnoDB


# DATA STORAGE #
datadir                        = /var/lib/mysql/

# CACHES AND LIMITS #
tmp-table-size                 = 1024M
max-heap-table-size            = 1024M
query-cache-type               = 1
query-cache-size               = 128M
query-cache-limit              = 32M
max-connections                = 500
thread-cache-size              = 50
open-files-limit               = 65535
table-definition-cache         = 40960
table-open-cache               = 40960

# INNODB #
innodb-flush-method            = O_DIRECT
innodb-log-files-in-group      = 2
innodb-log-file-size           = 256M
innodb-flush-log-at-trx-commit = 2
innodb-file-per-table          = 1
innodb-buffer-pool-size        = 4G

# LOGGING #
log-error                      = /var/lib/mysql/mysql-error.log
log-queries-not-using-indexes  = 1
slow-query-log                 = 1
slow-query-log-file            = /var/lib/mysql/mysql-slow.log