# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html

[mysqld]


# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M

# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin

# These are commonly set, remove the # and set as required.
# basedir = .....
# datadir = .....
# port = .....
# server_id = .....
# socket = .....

# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M 

#core-file
#user = root

# General #
datadir                       = /var/lib/mysql
socket                        = /var/lib/mysql/mysql.sock
default_storage_engine        = InnoDB
lower_case_table_names        = 1
read_only                     = 1


# MyISAM #
key_buffer_size                = 8M
myisam_recover                 = FORCE,BACKUP


# SAFETY #
max_allowed_packet             = 16M
max_connect_errors             = 1000000
skip_name_resolve
sysdate_is_now                 = 1
innodb                         = FORCE
thread_stack                   = 262144
back_log                       = 2048
performance_schema             = ON
skip_show_database



# BINARY LOGGING #

server_id                      = 2
log_bin                         = /var/lib/mysql/data/mysql-bin
log_bin_index                  = /var/lib/mysql/data/mysql-bin
expire_logs_days               = 14
sync_binlog                    = 1
binlog_format                  = row
relay_log                      = /var/lib/mysql/data/mysql-relay-bin
log_slave_updates              = 1
read_only                      = 1
gtid-mode                      = on
enforce-gtid-consistency       = true
master-info-repository         = TABLE
relay-log-info-repository      = TABLE
#slave-parallel-workers         = 2
binlog-checksum                = CRC32
master-verify-checksum         = 1
slave-sql-verify-checksum      = 1
binlog-rows-query-log_events   = 1

# CACHES AND LIMITS #
tmp_table_size                 = 128M
max_heap_table_size            = 128M
query_cache_type               = 0
query_cache_size               = 0
query_cache_limit              = 0
max_connections                = 10000
thread_cache_size              = 100
open-files-limit               = 65535
table_definition_cache         = 4000
table_open_cache               = 4000



# INNODB #
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        = 28G
innodb_stats_on_metadata       = 0
innodb_old_blocks_time         = 1000



# LOGGING #
log_queries_not_using_indexes  = 0
slow_query_log                 = 1
slow_query_log_file            = /var/lib/mysql/data/mysql-slow.log
long_query_time                = 1



# Security #
secure_auth                    = 1
old_passwords                  = 0
#user                           = mysql
symbolic-links                 = 0
local_infile                   = 0

[mysqld_safe]
#core-file-size = unlimited