# MySQL配置文件 - 生产环境
# 针对生产环境优化的MySQL配置

[mysqld]
# 基础配置
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
skip-external-locking

# 字符集配置
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
init_connect = 'SET NAMES utf8mb4'

# 网络配置
bind-address = 0.0.0.0
max_connections = 200
max_connect_errors = 100000
max_allowed_packet = 64M
interactive_timeout = 600
wait_timeout = 600

# 缓存配置 - 生产环境优化
key_buffer_size = 256M
max_allowed_packet = 64M
table_open_cache = 4000
sort_buffer_size = 4M
read_buffer_size = 2M
read_rnd_buffer_size = 8M
myisam_sort_buffer_size = 128M
thread_cache_size = 50
query_cache_type = 1
query_cache_size = 128M
query_cache_limit = 2M

# InnoDB配置 - 生产环境优化
innodb_buffer_pool_size = 512M
innodb_log_file_size = 128M
innodb_log_buffer_size = 16M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
innodb_file_per_table = 1
innodb_flush_method = O_DIRECT

# 日志配置
log_error = /var/log/mysql/error.log
slow_query_log = 1
slow_query_log_file = /var/log/mysql/slow.log
long_query_time = 2
log_queries_not_using_indexes = 1

# 二进制日志配置 - 生产环境启用
log_bin = /var/log/mysql/mysql-bin.log
binlog_format = ROW
expire_logs_days = 7
max_binlog_size = 100M

# 安全配置
sql_mode = STRICT_TRANS_TABLES,NO_ZERO_DATE,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

[mysql]
default-character-set = utf8mb4

[client]
default-character-set = utf8mb4