目录结构：
install_mysql.sh：安装脚本 my.cnf: MySQL配置文件 mysql-5.7.25-linux-glibc2.12-x86_64.tar.gz：MySQL二进制包
以下为目录中的文件：
# ## my.cnf for MySQL 5.7/8.0 ## 注意：个别建议可能需要根据实际情况作调整，请自行判断或联系我，本人不对这些建议结果负相应责任 ## 本配置文件主要适用于MySQL 5.7/8.0版本 # [client] port = 3306 socket = /var/run/mysql.sock [mysql] prompt="\u@mysqldb \R:\m:\s [\d]> " no-auto-rehash [mysqld] user = mysql port = 3306 basedir = /usr/local/mysql datadir = /usr/local/mysql/data socket = /var/run/mysql.sock pid-file = mysqldb.pid character-set-server = utf8mb4 skip_name_resolve = 1 #若你的MySQL数据库主要运行在境外，请务必根据实际情况调整本参数 default_time_zone = "+8:00" open_files_limit = 65535 back_log = 1024 max_connections = 256 max_connect_errors = 1000000 table_open_cache = 60 table_definition_cache = 60 table_open_cache_instances = 64 thread_stack = 512K external-locking = FALSE max_allowed_packet = 32M sort_buffer_size = 4M join_buffer_size = 4M thread_cache_size = 384 interactive_timeout = 600 wait_timeout = 600 tmp_table_size = 32M max_heap_table_size = 32M slow_query_log = 1 log_timestamps = SYSTEM slow_query_log_file = /usr/local/mysql/data/slow.log log-error = /usr/local/mysql/data/error.log long_query_time = 0.1 log_queries_not_using_indexes =1 log_throttle_queries_not_using_indexes = 60 min_examined_row_limit = 100 log_slow_admin_statements = 1 log_slow_slave_statements = 1 server-id = 3306 log-bin = /usr/local/mysql/data/mybinlog sync_binlog = 1 binlog_cache_size = 4M max_binlog_cache_size = 2G max_binlog_size = 1G #注意：MySQL 8.0开始，binlog_expire_logs_seconds选项也存在的话，会忽略expire_logs_days选项 expire_logs_days = 7 master_info_repository = TABLE relay_log_info_repository = TABLE gtid_mode = on enforce_gtid_consistency = 1 log_slave_updates slave-rows-search-algorithms = 'INDEX_SCAN,HASH_SCAN' binlog_format = row binlog_checksum = 1 relay_log_recovery = 1 relay-log-purge = 1 key_buffer_size = 32M read_buffer_size = 8M read_rnd_buffer_size = 4M bulk_insert_buffer_size = 64M myisam_sort_buffer_size = 128M myisam_max_sort_file_size = 10G myisam_repair_threads = 1 lock_wait_timeout = 3600 explicit_defaults_for_timestamp = 1 innodb_thread_concurrency = 0 innodb_sync_spin_loops = 100 innodb_spin_wait_delay = 30 transaction_isolation = REPEATABLE-READ #innodb_additional_mem_pool_size = 16M innodb_buffer_pool_size = 5734M innodb_buffer_pool_instances = 4 innodb_buffer_pool_load_at_startup = 1 innodb_buffer_pool_dump_at_shutdown = 1 innodb_data_file_path = ibdata1:1G:autoextend innodb_flush_log_at_trx_commit = 1 innodb_log_buffer_size = 32M innodb_log_file_size = 2G innodb_log_files_in_group = 2 innodb_max_undo_log_size = 4G innodb_undo_directory = /usr/local/mysql/data/undolog innodb_undo_tablespaces = 95 # 根据您的服务器IOPS能力适当调整 # 一般配普通SSD盘的话，可以调整到 10000 - 20000 # 配置高端PCIe SSD卡的话，则可以调整的更高，比如 50000 - 80000 innodb_io_capacity = 4000 innodb_io_capacity_max = 8000 innodb_flush_sync = 0 innodb_flush_neighbors = 0 innodb_write_io_threads = 8 innodb_read_io_threads = 8 innodb_purge_threads = 4 innodb_page_cleaners = 4 innodb_open_files = 65535 innodb_max_dirty_pages_pct = 50 innodb_flush_method = O_DIRECT innodb_lru_scan_depth = 4000 innodb_checksum_algorithm = crc32 innodb_lock_wait_timeout = 10 innodb_rollback_on_timeout = 1 innodb_print_all_deadlocks = 1 innodb_file_per_table = 1 innodb_online_alter_log_max_size = 4G innodb_stats_on_metadata = 0 #注意：MySQL 8.0.16开始删除该选项 internal_tmp_disk_storage_engine = InnoDB # some var for MySQL 5.7 innodb_checksums = 1 #innodb_file_format = Barracuda #innodb_file_format_max = Barracuda query_cache_size = 0 query_cache_type = 0 innodb_undo_logs = 128 innodb_status_file = 1 #注意: 开启 innodb_status_output & innodb_status_output_locks 后, 可能会导致log-error文件增长较快 innodb_status_output = 0 innodb_status_output_locks = 0 #performance_schema performance_schema = 1 performance_schema_instrument = '%memory%=on' performance_schema_instrument = '%lock%=on' #innodb monitor innodb_monitor_enable="module_innodb" innodb_monitor_enable="module_server" innodb_monitor_enable="module_dml" innodb_monitor_enable="module_ddl" innodb_monitor_enable="module_trx" innodb_monitor_enable="module_os" innodb_monitor_enable="module_purge" innodb_monitor_enable="module_log" innodb_monitor_enable="module_lock" innodb_monitor_enable="module_buffer" innodb_monitor_enable="module_index" innodb_monitor_enable="module_ibuf_system" innodb_monitor_enable="module_buffer_page" innodb_monitor_enable="module_adaptive_hash" [mysqldump] quick max_allowed_packet = 32M
#!/bin/bash #Date：2019-08-27 #Description：deploy MySQL(5.7+) service #MySQL下载地址：http://ftp.ntu.edu.tw/MySQL/Downloads/MySQL-5.7/
#my.cnf生成地址：http://imysql.cn/my_cnf_generator
. /etc/init.d/functions function Check_Mysql_Service(){ #该函数功能为检查当前机器是否已经启动MySQL程序 echo -e "\033[44;30m开始检查本机是否存在MySQL程序 \033[0m" mysql_pid=$(pidof mysqld) mysql_port=$(lsof -i:3306) if ([[ ${mysql_pid} != '' ]] || [[ ${mysql_port} != '' ]]);then action "当前本机存在MySQL服务或3306端口被占用，请确认" /bin/false exit 1
else action "当前本机不存在MySQL服务，检查通过" /bin/true fi echo -e "\n" } function Mysql_Num_Version_Check(){ #该函数功能为检查当前部署的版本是否小于 5.7 主要因为my.cnf文件5.7以下未验证 echo -e "\033[44;30m开始检查部署MySQL版本 \033[0m" mysql_num=$(ls -l .|grep mysql-.*.tar.gz|wc -l) if [[ ${mysql_num} != 1 ]];then action "当前目录下没有或存在多个MySQL安装文件，请确保只有一个！！" /bin/false exit 1 fi mysql_version=$(ls .|grep mysql-.*.tar.gz|awk -F- '{print $2}') mysql_version_num=$(ls .|grep mysql-.*.tar.gz|awk -F- '{print $2}'|awk -F. '{print $2}') if [[ ${mysql_version_num} -lt 7 ]];then action "MySQL部署版本不能低于5.7" /bin/false exit 1 fi while true; do read -p "当前部署的，MySQL版本为：${mysql_version}，是否部署(y/n):" deploy_choose if ([[ ${deploy_choose} == "y" ]] || [[ ${deploy_choose} == "Y" ]]);then echo "开始部署" echo -e "\n"
break elif ([[ ${deploy_choose} == "n" ]] || [[ ${deploy_choose} == "N" ]]);then echo "退出部署"
break
else echo -e "\033[41;30m错误的选项，请确认后重新输入！\033[0m"
continue fi done } function Decode_Mysql(){ #该函数功能为获取用户指定的MySQL basedir目录以及MySQL datadir目录 export script_path=$(pwd $0) tar_name=$(ls .|grep mysql-.*.tar.gz) tar_dir=${tar_name%.tar.gz*} read -p "开始解压二进制文件，请确认解压目录(默认路径 /usr/local/):" decode_dir decode_dir=${decode_dir:-/usr/local} if [[ -d ${decode_dir}/${tar_dir} ]];then while true; do read -p "${decode_dir}/${tar_dir}目录已存在，是否覆盖(y/n)？" overwrite #检查解压目录下是否已经存在解压的文件 if ([[ ${overwrite} == "y" ]] || [[ ${overwrite} == "Y" ]]);then echo -e "\n" rm -rf ${decode_dir}/${tar_dir} && rm -f ${decode_dir}/mysql break elif ([[ ${overwrite} == "n" ]] || [[ ${overwrite} == "N" ]]);then echo "退出部署" exit 1
else echo -e "\033[41;30m错误的选项，请确认后重新输入！\033[0m"
continue fi done fi while true; do
if [[ -d ${decode_dir} ]];then export decode_dir=${decode_dir} break elif [[ ${decode_dir} == '' ]];then export decode_dir=/usr/local break
else read -t 10 -p "${decode_dir}目录不存在，请重新输入(默认路径 /usr/local/):" decode_dir [[ $? -ne 0 ]] && echo -e "\033[41;30m选择超时，使用默认路径 /usr/local/！\033[0m"
continue fi done echo "正在解压至${decode_dir}目录,请稍后..." tar xf ${tar_name} -C ${decode_dir} && cd ${decode_dir} && ln -s ${tar_dir} mysql if [[ $? -eq 0 ]];then action "解压成功" /bin/true echo -e "\n"
else action "解压失败" /bin/false fi } function Mysql_User(){ echo -e "\033[44;30m检查MySQL用户\033[0m" id mysql &> /dev/bull if [[ $? -eq 0 ]]; then action "MySQL 用户已存在，无需创建" /bin/true
else echo "MySQL 用户不存在，新建MySQL用户" groupadd -g 8888 mysql && useradd -r -g 8888 -u 8888 -s /bin/false mysql && chown -R mysql.mysql ${decode_dir}/mysql [[ $? -eq 0 ]] && action "新建MySQL用户：mysql" /bin/true fi id mysql echo -e "\n" } function Create_AND_Modify_Config_File(){ [[ -f /etc/my.cnf ]] && mv /etc/my.cnf /etc/my.cnf-$(date +%F-%H:%H:%S) cd ${script_path} && cp my.cnf /etc/ read -p "开始生成my.cnf文件，请选择MySQL数据目录(默认 ${decode_dir}/mysql/data 目录):" data_dir while true; do
if ([[ ${data_dir} != '' ]] && [[ $(ls -A ${data_dir}) != '' ]]);then #判断指定的数据目录是否存在数据 read -p "${data_dir}不为空，请重新选择(默认 ${decode_dir}/mysql/data 目录):" data_dir continue
else
break fi done while true; do
if [[ -d ${data_dir} ]];then export data_dir=${data_dir} break elif [[ ${data_dir} == '' ]];then export data_dir=${decode_dir}/mysql/data break
else read -p "${data_dir}目录不存在，请重新输入(默认路径 ${decode_dir}/mysql/data):" data_dir [[ $? -ne 0 ]] && echo "选择超时，使用默认路径"
continue fi done echo -e "\033[44;30m 数据目录为：${data_dir}\033[0m" system_mem_size=$(grep "^MemTotal" /proc/meminfo |awk '{print $2}') #获取当前系统内存大小，设置innodb 缓存大小 innodb_buffer_pool_size="$(echo ${system_mem_size}/1024/10*6|bc)M" sed -i "s#^socket.*#socket = ${data_dir}/mysql.sock#g" /etc/my.cnf sed -i "s#^slow_query_log_file.*#slow_query_log_file = ${data_dir}/slow.log#g" /etc/my.cnf sed -i "s#^log-error.*#log-error = ${data_dir}/error.log#g" /etc/my.cnf sed -i "s#^log-bin.*#log-bin = ${data_dir}/mybinlog#g" /etc/my.cnf sed -i "s#^innodb_buffer_pool_size.*#innodb_buffer_pool_size = ${innodb_buffer_pool_size}M#g" /etc/my.cnf sed -i "s#^innodb_undo_directory.*#innodb_undo_directory = ${data_dir}/undolog#g" /etc/my.cnf sed -i "s#^basedir.*#basedir = ${decode_dir}/mysql#g" /etc/my.cnf sed -i "s#^datadir.*#datadir = ${data_dir}#g" /etc/my.cnf echo -e "\n" } function Init_Mysql(){ echo -e "\033[44;30m开始初始化数据库\033[0m" cd ${decode_dir}/mysql && bin/mysqld --initialize --user=mysql --basedir=${decode_dir}/mysql --datadir=${data_dir} if [[ $? -eq 0 ]];then action "MySQL初始化完毕" /bin/true mysql_init_pwd=$(grep "temporary password" ${data_dir}/error.log |awk -F "[: ]" '{print $NF}') echo "MySQL初始化密码为：${mysql_init_pwd}" chown -R mysql:mysql ${decode_dir}/mysql echo -e "\n"
else action "MySQL初始化失败请查看${data_dir}/error.log日志" /bin/false exit fi } function Set_System_Server_And_Init(){ echo -e "\033[44;30m开始设置MySQL开机自启 firewalld 全局环境变量 启动脚本 \033[0m" decode_dir=${decode_dir:-/usr/local} cd ${decode_dir}/mysql/support-files && cp mysql.server /etc/init.d/mysqld [[ $? -eq 0 ]] && action "服务脚本拷贝成功" /bin/true || action "服务脚本拷贝失败" /bin/false
if ([[ ${decode_dir} != "/usr/local" ]] || [[ ${decode_dir} != "/usr/local/" ]]);then sed -i "s#^basedir=.*#basedir=${decode_dir}/mysql#g" /etc/init.d/mysqld fi if ([[ ${data_dir} != "/usr/local/mysql/data" ]] || [[ ${data_dir} != "/usr/local/mysql/data/" ]]);then sed -i "s#^datadir=.*#datadir=${data_dir}#g" /etc/init.d/mysqld fi echo "export PATH=${decode_dir}/mysql/bin:$PATH" >> ~/.bash_profile && source ~/.bash_profile chkconfig --level 35 mysqld on [[ $? -eq 0 ]] && action "设置开机自启成功" /bin/true || action "设置开机自启失败" /bin/false firewall-cmd --zone=public --add-port=3306/tcp --permanent && systemctl restart firewalld.service [[ $? -eq 0 ]] && action "防火墙规则设置成功" /bin/true || action "防火墙规则设置失败，请检查firewalld服务！" /bin/false echo -e "\n" } function Start_Mysql(){ echo -e "\033[44;30m开始启动MySQL服务\033[0m"
/etc/init.d/mysqld start &> /dev/null [[ $? -eq 0 ]] && action "启动成功..." /bin/true || action "启动失败,请查看${data_dir}/error.log日志" /bin/false echo -e "\n" echo -e "\033[41;30m使用 ALTER USER 'root'@'localhost' IDENTIFIED BY 'YOURPASSWD' 命令设置MySQL root用户本地登录密码\033[0m" echo -e "\033[41;30m使用 GRANT ALL PRIVILEGES ON . TO 'root'@'%' IDENTIFIED BY 'YOUR PASSWD' WITH GRANT OPTION; 命令设置MySQL root用户远程登录密码\033[0m" echo -e "\033[41;30m密码强度要求包含 大小写字母、特殊字符、数字\033[0m" } function Main(){ Check_Mysql_Service; Mysql_Num_Version_Check; Decode_Mysql; Mysql_User; Create_AND_Modify_Config_File; Init_Mysql; Set_System_Server_And_Init; Start_Mysql; } Main;
MySQL二进制文件下载地址：http://ftp.ntu.edu.tw/MySQL/Downloads/MySQL-5.7/
使用方法：
