update mysql's script and configuration

codes/linux/soft/config/mysql/my.cnf

@@ -1,45 +1,48 @@
-[mysqld]
-# mysql 的数据目录
-datadir = /var/lib/mysql
-# binlog 目录
-log_bin = /var/lib/mysql/binlog
-# socket 文件
-socket  = /var/lib/mysql/mysql.sock
-# 设置时区
-default-time_zone = '+8:00'
-# 数据库默认字符集
-character-set-server = utf8mb4
-# 数据库字符集对应一些排序等规则，注意要和 character-set-server 对应
-collation-server = utf8mb4_0900_ai_ci
-
-
-# 数据库连接相关设置
 # -------------------------------------------------------------------------------
-# 最大连接数
+# Mysql 基本配置模板
+# -------------------------------------------------------------------------------
+
+[mysqld]
+# GENERAL
+# -------------------------------------------------------------------------------
+server_id = 2
+datadir = /var/lib/mysql
+socket  = /var/lib/mysql/mysql.sock
+pid_file = /var/lib/mysql/mysql.pid
+user = mysql
+port = 3306
+default_storage_engine = InnoDB
+default_time_zone = '+8:00'
+character_set_server = utf8mb4
+collation_server = utf8mb4_0900_ai_ci
+
+# LOG
+# -------------------------------------------------------------------------------
+log_error = /var/log/mysql/mysql-error.log
+slow_query_log = 1
+slow_query_log_file = /var/log/mysql/mysql-slow.log
+long_query_time = 3
+min_examined_row_limit = 100
+expire_logs_days = 7
+
+# InnoDB
+# -------------------------------------------------------------------------------
+innodb_buffer_pool_size = 4G
+innodb_log_file_size = 128M
+innodb_file_per_table = 1
+innodb_flush_method = O_DIRECT
+
+# MyIsam
+# -------------------------------------------------------------------------------
+key_buffer_size = 256M
+
+# OTHER
+# -------------------------------------------------------------------------------
+tmp_table_size = 32M
+max_heap_table_size = 32M
 max_connections = 10000
-# 最大错误连接数
-max_connect_errors = 10000
-# MySQL打开的文件描述符限制
 open_files_limit = 65535
 
-
+[client]
-# 日志文件相关设置，一般只开启三种日志，错误日志，慢查询日志，二进制日志。普通查询日志不开启。
+socket  = /var/lib/mysql/mysql.sock
-# -------------------------------------------------------------------------------
+port = 3306
-# 错误日志记录的信息
-log_error_verbosity = 2
-# 错误日志文件地址
-log-error = /var/log/mysqld.log
-# 开启慢查询
-slow_query_log = 1
-# 开启慢查询时间，此处为3秒，达到此值才记录数据
-long_query_time = 3
-# 检索行数达到此数值，才记录慢查询日志中
-min_examined_row_limit = 10
-# 慢查询日志文件地址
-slow-query-log-file = /var/log/mysqld-slow.log
-# 开启记录没有使用索引查询语句
-log_queries_not_using_indexes = 1
-# mysql清除过期日志的时间，默认值0，不自动清理，而是使用滚动循环的方式。这里设置为30天
-binlog_expire_logs_seconds = 2592000
-# 如果二进制日志写入的内容超出给定值，日志就会发生滚动。你不能将该变量设置为大于1GB或小于4096字节。 默认值是1GB。
-max_binlog_size = 1000M

codes/linux/soft/mysql-install.sh

@@ -49,8 +49,10 @@ printf "${CYAN}>>>> replace settings${RESET}\n"
 cp /etc/my.cnf /etc/my.cnf.bak
 wget -N https://gitee.com/turnon/linux-tutorial/raw/master/codes/linux/soft/config/mysql/my.cnf -O /etc/my.cnf
 # 创建空的慢查询日志文件
-touch /var/log/mysqld-slow.log
+mkdir -p /var/log/mysql
-chmod 777 /var/log/mysqld-slow.log
+touch /var/log/mysql/mysql-slow.log
+chmod 777 /var/log/mysql/mysql-slow.log
+chown -R mysql:mysql /var/log/mysql
 
 # 设置开机启动
 printf "${CYAN}>>>> start mysqld${RESET}\n"
@@ -58,6 +60,11 @@ systemctl enable mysqld
 systemctl start mysqld
 systemctl daemon-reload
 
+cat >> /etc/security/limits.conf << EOF
+mysql soft nofile 65536
+mysql hard nofile 65536
+EOF
+
 password=$(grep "password" /var/log/mysqld.log | awk '{print $NF}')
 printf "临时密码为：${PURPLE}${password}${RESET}，请登录 mysql 后重置新密码\n"