本文主要给大家简单讲讲源码安装MySQL 5.7.19数据库的详细步骤，相关专业术语大家可以上网查查或者找一些相关书籍补充一下，这里就不涉猎了，我们就直奔主题吧，希望源码安装mysql 5.7.19数据库的详细步骤这篇文章可以给大家带来一些实际帮助。
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1.系统要求
mount /dev/cdrom /mnt
yum install -y cmake,make,gcc,gcc-c++,bison, ncurses,ncurses-devel
2.创建用户和组
groupadd mysql
useradd -g mysql mysql
3.创建数据库安装目录
mkdir /mysql /mysql/data /mysql/log
chown -R mysql:mysql /mysql
/mysql/data --数据库目录
/mysql/log --错误日志和慢查询日志
4.解压源码文件和boost文件
cd /usr/local
tar -zxvf mysql-5.7.19.tar.gz
tar -zxvf boost_1_59_0.tar.gz
cd /usr/local/mysql-5.7.19
####################################################
5.编译生成MakeFile文件
cmake . \
-DCMAKE_INSTALL_PREFIX=/usr/local/mysql \
-DMYSQL_DATADIR=/mysql/data \
-DDEFAULT_CHARSET=utf8mb4 \
-DDEFAULT_COLLATION=utf8mb4_general_ci \
-DDOWNLOAD_BOOST=1 \
-DWITH_BOOST=/usr/local/boost_1_59_0 \
-DSYSCONFDIR=/etc \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_EMBEDDED_SERVER=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1\
-DENABLED_LOCAL_INFILE=1 \
-DENABLE_DTRACE=0 \
-DWITH_READLINE=1 \
-DWITH_DEBUG=0
######################################################
-DCMAKE_INSTALL_PREFIX=/usr/local/mysql //安装目录
-DMYSQL_DATADIR=/mysql/data //数据库存放目录
-DWITH_MYISAM_STORAGE_ENGINE=1 //安装myisam存储引擎
-DWITH_INNOBASE_STORAGE_ENGINE=1 //安装innodb存储引擎
-DWITH_ARCHIVE_STORAGE_ENGINE=1 //安装archive存储引擎
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 //安装blackhole存储引擎
-DENABLED_LOCAL_INFILE=1 //允许从本地导入数据
-DDEFAULT_CHARSET=utf8mb4 //使用utf8字符
-DDEFAULT_COLLATION=utf8mb4_general_ci //校验字符
-DMYSQL_TCP_PORT=3306 //MySQL监听端口
-DMYSQL_USER=mysql //MySQL用户名
-DSYSCONFDIR=/etc //MySQL配辑文件
-DMYSQL_UNIX_ADDR=/tmp/mysqld.sock //Unix socket 文件路径
-DWITH_READLINE=1 //快捷键功能
-DWITH_SSL=yes //SSL
-DWITH_PARTITION_STORAGE_ENGINE=1 //安装数据库分区
-DINSTALL_PLUGINDIR=/usr/local/mysql/plugin //插件文件及配置路径
-DWITH_DEBUG=0 禁用debug（默认为禁用）
6.编译和安装
make
make install
7.配置开机启动项
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
chmod +x /etc/init.d/mysql
chkconfig --add mysql
chkconfig mysql on
8.配置文件
cat > /etc/my.cnf << EOF
[client]
port = 3306
socket = /tmp/mysql.sock
default-character-set = utf8mb4
[mysqld]
port = 3306
socket = /tmp/mysql.sock
basedir = /usr/local/mysql
datadir = /mysql/data
pid-file = /mysql/data/mysql.pid
user = mysql
#bind-address = 0.0.0.0
server-id = 1
#init-connect = 'SET NAMES utf8mb4'
character-set-server = utf8mb4
#skip-name-resolve
#skip-networking
back_log = 300
max_connections = 1000
max_connect_errors = 6000
open_files_limit = 65535
table_open_cache = 128
max_allowed_packet = 4M
binlog_cache_size = 1M
max_heap_table_size = 8M
tmp_table_size = 16M
read_buffer_size = 2M
read_rnd_buffer_size = 8M
sort_buffer_size = 8M
join_buffer_size = 8M
key_buffer_size = 4M
thread_cache_size = 8
query_cache_type = 1
query_cache_size = 8M
query_cache_limit = 2M
#ft_min_word_len = 4
log_bin = mysql-bin
binlog_format = mixed
expire_logs_days = 30
log_error = /mysql/log/mysql-error.log
slow_query_log = 1
long_query_time = 1
slow_query_log_file = /mysql/log/mysql-slow.log
performance_schema = 0
explicit_defaults_for_timestamp
#lower_case_table_names = 1
skip-external-locking
default_storage_engine = InnoDB
#default-storage-engine = MyISAM
innodb_file_per_table = 1
innodb_open_files = 500
innodb_buffer_pool_size = 64M
innodb_write_io_threads = 4
innodb_read_io_threads = 4
innodb_thread_concurrency = 0
innodb_purge_threads = 1
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 2M
innodb_log_file_size = 32M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120
bulk_insert_buffer_size = 8M
#myisam_sort_buffer_size = 8M
#myisam_max_sort_file_size = 10G
#myisam_repair_threads = 1
interactive_timeout = 28800
wait_timeout = 28800
[mysqldump]
quick
max_allowed_packet = 16M
[myisamchk]
key_buffer_size = 8M
sort_buffer_size = 8M
read_buffer = 4M
write_buffer = 4M
EOF
9.初始化安全安装
/usr/local/mysql/bin/mysqld --initialize-insecure --user=mysql --basedir=/usr/local/mysql --datadir=/mysql/data
注： 之前版本mysql_install_db是在mysql_basedir/script下，5.7放在了mysql_install_db/bin目录下,且已被废弃
“-initialize”会生成一个随机密码(~/.mysql_secret)，而”-initialize-insecure”不会生成密码
–datadir目标目录下不能有数据文件
10.启动数据库
service mysql start
11.修改密码
update mysql.user set authentication_string=password('root') where user = 'root';
flush privileges;
12.关闭防火墙和selinux
service iptables stop
chkconfig iptables off
vi /etc/selinux/config
SELINUX=disabled
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