update scripts
parent
2970e91cc1
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@ -0,0 +1,45 @@
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[mysqld]
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# mysql 的数据目录
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datadir = /var/lib/mysql
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# binlog 目录
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log_bin = /var/lib/mysql/binlog
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# socket 文件
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socket = /var/lib/mysql/mysql.sock
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# 设置时区
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default-time_zone = '+8:00'
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# 数据库默认字符集
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character-set-server = utf8mb4
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# 数据库字符集对应一些排序等规则,注意要和 character-set-server 对应
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collation-server = utf8mb4_0900_ai_ci
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# 数据库连接相关设置
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# -------------------------------------------------------------------------------
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# 最大连接数
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max_connections = 10000
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# 最大错误连接数
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max_connect_errors = 10000
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# MySQL打开的文件描述符限制
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open_files_limit = 65535
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# 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。
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# -------------------------------------------------------------------------------
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# 错误日志记录的信息
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log_error_verbosity = 2
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# 错误日志文件地址
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log-error = /var/log/mysqld.log
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# 开启慢查询
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slow_query_log = 1
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# 开启慢查询时间,此处为3秒,达到此值才记录数据
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long_query_time = 3
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# 检索行数达到此数值,才记录慢查询日志中
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min_examined_row_limit = 10
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# 慢查询日志文件地址
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slow-query-log-file = /var/log/mysqld-slow.log
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# 开启记录没有使用索引查询语句
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log_queries_not_using_indexes = 1
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# 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
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binlog_expire_logs_seconds = 2592000
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# 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。
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max_binlog_size = 1000M
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@ -40,12 +40,22 @@ command -v yum > /dev/null 2>&1 || {
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}
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# 使用 rpm 安装 mysql
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printf "${CYAN}>>>> yum install mysql${RESET}\n"
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wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
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sudo rpm -Uvh mysql80-community-release-el7-3.noarch.rpm
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sudo yum install mysql-community-server
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printf "${CYAN}>>>> replace settings${RESET}\n"
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cp /etc/my.cnf /etc/my.cnf.bak
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wget -N https://gitee.com/turnon/linux-tutorial/raw/master/codes/linux/soft/config/mysql/my.cnf -O /etc/my.cnf
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# 创建空的慢查询日志文件
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touch /var/log/mysqld-slow.log
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chmod 777 /var/log/mysqld-slow.log
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# 设置开机启动
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printf "${CYAN}>>>> start mysqld${RESET}\n"
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systemctl enable mysqld
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systemctl start mysqld
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systemctl daemon-reload
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password=$(grep "password" /var/log/mysqld.log | awk '{print $NF}')
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@ -48,7 +48,7 @@ init_sys() {
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cat >> /etc/security/limits.conf << EOF
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* soft nofile 65536
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* hard nofile 65536
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* soft nGproc 65536
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* soft nproc 65536
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* hard nproc 65536
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EOF
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}
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