my.cnf for MySQL-5.5.x (official binary) @ MacOSX

my.cnf

[client]
port   = 3306
socket = /tmp/mysql.sock

[mysqld]
user       = mysql
pid-file   = /usr/local/var/mysql/mysqld.pid
socket     = /tmp/mysql.sock
port       = 3306
datadir    = /usr/local/var/mysql
plugin_dir = /usr/local/mysql/lib/plugin
tmpdir     = /tmp
log-error  = /usr/local/var/log/mysql/mysqld.err

skip-character-set-client-handshake
character-set-server = utf8mb4
sync_binlog = 1
expire_logs_days = 7

log-bin = mysql-bin
max_binlog_size = 256M
binlog_format = mixed

general_log = 1
general_log_file = /usr/local/var/log/mysql/mysql.log

slow_query_log = 1
slow_query_log_file = /usr/local/var/log/mysql/slow.log
long_query_time = 2
log_queries_not_using_indexes

myisam_repair_threads = 1
myisam_recover

innodb_file_format = Barracuda
innodb_file_format_max = Barracuda
innodb_open_files = 2048

[mysql]
default-character-set = utf8mb4