my.cnf >>this server does have 3 wordpress site
With 3 CPU and 4GB RAM
#MariaDB database server configuration file.
#Optimized by WordOps 3.13.2
#
#You can copy this file to one of:
#- "/etc/mysql/my.cnf" to set global options,
#- "~/.my.cnf" to set user-specific options.
#One can use all long options that the program supports.
#Run program with --help to get a list of available options and with
#--print-defaults to see which it would actually understand and use.
#
#For explanations see
#http://dev.mysql.com/doc/mysql/en/server-system-variables.html
#This will be passed to all mysql clients
#It has been reported that passwords should be enclosed with ticks/quotes
#escpecially if they contain "#" chars...
#Remember to edit /etc/mysql/debian.cnf when changing the socket location.
[client]
port = 3306
socket = /var/run/mysqld/mysqld.sock
#Here is entries for some specific programs
#The following values assume you have at least 32M ram
#This was formally known as [safe_mysqld]. Both versions are currently parsed.
[mysqld_safe]
socket = /var/run/mysqld/mysqld.sock
nice = 0
[mysqld]
#
#Basic Settings
#
user = mysql
pid-file = /var/run/mysqld/mysqld.pid
socket = /var/run/mysqld/mysqld.sock
port = 3306
basedir = /usr
datadir = /var/lib/mysql
tmpdir = /tmp
lc_messages_dir = /usr/share/mysql
lc_messages = en_US
skip-external-locking
skip-name-resolve = 1
#
#Instead of skip-networking the default is now to listen only on
#localhost which is more compatible and is not less secure.
bind-address = ::ffff:127.0.0.1
#
# Fine Tuning
#
max_connections = 40
connect_timeout = 300
thread_cache_size = 128
sort_buffer_size = 256K
bulk_insert_buffer_size = 16M
tmp_table_size = 32M
max_heap_table_size = 32M
#
#* MyISAM
#
#This replaces the startup script and checks MyISAM tables if needed
#the first time they are touched. On error, make copy and try a repair.
myisam_recover_options = BACKUP
key_buffer_size = 128M
open-files-limit = 500000
table_open_cache = 500000
myisam_sort_buffer_size = 512M
concurrent_insert = 2
read_buffer_size = 1M
read_rnd_buffer_size = 1M
join_buffer_size = 1M
#for more write intensive setups, set to DEMAND or OFF
#
#* Logging and Replication
#
#Both location gets rotated by the cronjob.
#Be aware that this log type is a performance killer.
#As of 5.1 you can enable the log at runtime!
#general_log_file = /var/log/mysql/mysql.log
#general_log = 1
#Error logging goes to syslog due to /etc/mysql/conf.d/mysqld_safe_syslog.cnf.
#
#we do want to know about network errors and such
log_warnings = 2
#
#Enable the slow query log to see queries with especially long duration
slow_query_log = 1
slow_query_log_file = /var/log/mysql/mariadb-slow.log
long_query_time = 10
#log_slow_rate_limit = 1000
log_slow_verbosity = query_plan
#log-queries-not-using-indexes = 1
#log_slow_admin_statements
#
#The following can be used as easy to replay backup logs or for replication.
#note: if you are setting up a replication slave, see README.Debian about
#other settings you may need to change.
#server-id = 1
#report_host = master1
#auto_increment_increment = 2
#auto_increment_offset = 1
#log_bin = /var/log/mysql/mariadb-bin
#log_bin_index = /var/log/mysql/mariadb-bin.index
#not fab for performance, but safer
#sync_binlog = 1
#expire_logs_days = 10
#max_binlog_size = 100M
transaction_isolation = READ-COMMITTED
binlog_format = ROW
#slaves
#relay_log = /var/log/mysql/relay-bin
#relay_log_index = /var/log/mysql/relay-bin.index
#relay_log_info_file = /var/log/mysql/relay-bin.info
#log_slave_updates
#read_only
#
#If applications support it, this stricter sql_mode prevents some
#mistakes like inserting invalid dates etc.
#
InnoDB
#
#InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
#Read the manual for more InnoDB related options. There are many!
default_storage_engine = InnoDB
#you can't just change log file size, requires special procedure
innodb_log_file_size = 256M
innodb_buffer_pool_size = 1024M
innodb_log_buffer_size = 32M
innodb_file_per_table = 1
innodb_open_files = 500000
innodb_io_capacity = 500000
innodb_flush_method = O_DIRECT
#
Security Features
#
#Read the manual, too, if you want chroot!
#chroot = /var/lib/mysql/
#
#For generating SSL certificates I recommend the OpenSSL GUI "tinyca".
#
#ssl-ca=/etc/mysql/cacert.pem
#ssl-cert=/etc/mysql/server-cert.pem
#ssl-key=/etc/mysql/server-key.pem
#
#Galera-related settings
#
[galera]
#Mandatory settings
#wsrep_on=ON
#wsrep_provider=
#wsrep_cluster_address=
#binlog_format=row
#default_storage_engine=InnoDB
#innodb_autoinc_lock_mode=2
#
#Allow server to accept connections on all interfaces.
#
#bind-address=0.0.0.0
#
#Optional setting
#wsrep_slave_threads=1
#innodb_flush_log_at_trx_commit=0
[mysqld]
wait_timeout = 300
interactive_timeout=300
performance_schema = ON
query_cache_limit = 256k
query_cache_type =1
query_cache_size =10M
max_allowed_packet = 256M
[mysqld]
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
[mysqld]
table_definition_cache = 256
#
#IMPORTANT: Additional settings that can override those from this file!
#The files must end with '.cnf', otherwise they'll be ignored.
#