# Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2.0,
# as published by the Free Software Foundation.
#
# This program is also distributed with certain software (including
# but not limited to OpenSSL) that is licensed under separate terms,
# as designated in a particular file or component or in included license
# documentation. The authors of MySQL hereby grant you an additional
# permission to link the program and your derivative works with the
# separately licensed software that they have included with MySQL.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License, version 2.0, for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# The MySQL Server configuration file.
#
# For explanations see
# http://dev.mysql.com/doc/mysql/en/server-system-variables.html
[mysqld_safe]
socket = /var/run/mysqld/mysqld.sock
nice = 0
[client]
default-character-set=utf8
[mysqld]
pid-file = /var/run/mysqld/mysqld.pid
socket = /var/run/mysqld/mysqld.sock
datadir = /var/lib/mysql
log-error = /var/log/mysql/error.log
# By default we only accept connections from localhost
#bind-address = 127.0.0.1
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
lower_case_table_names = 1
user = mysql
port = 3306
basedir = /usr
tmpdir = /tmp
lc-messages-dir = /usr/share/mysql
skip-external-locking
wait_timeout=86400
interactive_timeout=86400
default-storage-engine=INNODB
character_set_server=utf8
collation-server=utf8_general_ci
max_allowed_packet = 524288000
back_log = 400
innodb_thread_concurrency = 16
innodb_buffer_pool_size = 28G
thread_cache_size = 64
innodb_log_file_size = 8G
innodb_log_buffer_size = 64M
innodb_flush_method = O_DIRECT
table_open_cache = 1000
max_connections = 2000
innodb_flush_log_at_trx_commit=1
innodb_autoextend_increment=256M
transaction_isolation=READ-COMMITTED
default-time-zone = ‘+08:00’
key_buffer_size = 16M
thread_stack = 192K
myisam-recover-options = BACKUP
query_cache_limit = 1M
query_cache_size = 16M
log_error = /var/log/mysql/error.log
expire_logs_days = 10
max_binlog_size = 100M
group_concat_max_len = 102400