MySQL Performance Config

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

[mysqld]
user        = mysql
default_storage_engine = InnoDB
socket      = /var/run/mysqld/mysqld.sock
pid-file    = /var/run/mysqld/mysqld.pid
basedir     = /usr
tmpdir      = /tmp
lc-messages-dir = /usr/share/mysql
skip-external-locking
bind-address        = 127.0.0.1
performance_schema  = off

key_buffer_size     = 32M
myisam-recover = FORCE,BACKUP

max_allowed_packet  = 16M
thread_stack = 192K
thread_cache_size = 16

max_connect_errors = 1000000
datadir     = /var/lib/mysql

log_bin = /var/log/mysql/mysql-bin.log
expire_logs_days = 3
sync-binlog = 1

tmp_table_size                 = 32M
max_heap_table_size            = 32M
query_cache_type               = 0
query_cache_limit                = 1M
query_cache_size               = 16M
max_connections                = 500
thread_cache_size              = 50
open_files_limit               = 65535
table_definition_cache         = 1024
table_open_cache               = 2048

innodb_flush_method            = O_DIRECT
innodb_log_files_in_group      = 2
innodb_log_file_size           = 64M
innodb_flush_log_at_trx_commit = 1
innodb_file_per_table          = 1
innodb_buffer_pool_size        = 128M
binlog_format                  = mixed
log_error                      = /var/log/mysql/error.log
log_queries_not_using_indexes  = 1
slow_query_log                 = 1
slow_query_log_file            = /var/log/mysql/slow.log

max_binlog_size         = 100M

[mysqld_safe]
socket      = /var/run/mysqld/mysqld.sock
nice        = 0

[mysqldump]
quick
quote-names
max_allowed_packet  = 16M

[isamchk]
key_buffer      = 32M

!includedir /etc/mysql/conf.d/