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本文主要给大家介绍MySQL5.7.20安装教程，其所涉及的东西，从理论知识来获悉，有很多书籍、文献可供大家参考，从现实意义角度出发，创新互联累计多年的实践经验可分享给大家。
Source Install MySQL 5.7.20
mysql5.7版本之后要用boost1.59
http://www.boost.org/
yum -y install gcc gcc-c++ ncurses ncurses-devel cmake bison wget
wget https://sourceforge.net/projects/boost/files/boost/1.59.0/boost_1_59_0.tar.gz && wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-boost-5.7.20.tar.gz
tar xf boost_1_59_0.tar.gz && tar xf mysql-boost-5.7.20.tar.gz
cd mysql-5.7.20
groupadd mysql
useradd mysql -s /bin/nologin -M -g mysql
mkdir -p /usr/local/mysql-5.7.20 /usr/local/mysql-5.7.20/data /usr/local/mysql-5.7.20/mysql.sock
cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql-5.7.20 \
-DMYSQL_DATADIR=/usr/local/mysql-5.7.20/data \
-DMYSQL_UNIX_ADDR=/usr/local/mysql-5.7.20/mysql.sock \
-DSYSCONFDIR=/etc \
-DWITH_BOOST=../boost_1_59_0 \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci \
-DEXTRA_CHARSETS=gbk,gb2312,utf8,ascii \
-DENABLED_LOCAL_INFILE=ON \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITHOUT_EXAMPLE_STORAGE_ENGINE=1 \
-DWITHOUT_PARTITION_STORAGE_ENGINE=1 \
-DWITH_FAST_MUTEXES=1 \
-DWITH_ZLIB=bundled \
-DENABLED_LOCAL_INFILE=1 \
-DWITH_READLINE=1 \
-DWITH_EMBEDDED_SERVER=1 \
-DWITH_DEBUG=0
编译安装
make -j `grep processor /proc/cpuinfo | wc -l`
make install
设置启动脚本，开机自启动
ls -lrt /usr/local/mysql
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
chmod +x /etc/init.d/mysqld
配置文件
/etc/my.cnf，
cat > /etc/my.cnf << EOF
[client]
port = 3306
socket = /dev/shm/mysql.sock
[mysqld]
port = 3306
socket = /dev/shm/mysql.sock
basedir = /usr/local/mysql
datadir = /data/mysql
pid-file = /data/mysql/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 = /data/mysql/mysql-error.log
slow_query_log = 1
long_query_time = 1
slow_query_log_file = /data/mysql/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
添加mysql的环境变量
echo -e '\n\nexport PATH=/usr/local/mysql/bin:$PATH\n' >> /etc/profile && source /etc/profile
初始化数据库
mysqld --initialize-insecure --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql
启动数据库
systemctl start mysqld
systemctl status mysqld
查看MySQL服务进程和端口
ps -ef | grep mysql
设置数据库root用户密码
mysql_secure_installation
常用操作
将MySQL数据库的动态链接库共享至系统链接库
一般MySQL数据库还会被类似于PHP等服务调用，所以我们需要将MySQL编译后的lib库文件添加至当前Linux主机链接库 /etc/ld.so.conf.d/
下，这样MySQL服务就可以被其它服务调用了。
ldconfig |grep mysql
echo "/usr/local/mysql/lib" > /etc/ld.so.conf.d/mysql.conf
ldconfig
ldconfig -v |grep mysql
进入数据库
mysql -uroot -p
show databases;
quit
看了以上MySQL5.7.20安装教程介绍，希望能给大家在实际运用中带来一定的帮助。本文由于篇幅有限，难免会有不足和需要补充的地方，大家可以继续关注创新互联行业资讯板块，会定期给大家更新行业新闻和知识，如有需要更加专业的解答，可在官网联系我们的24小时售前售后，随时帮您解答问题的。
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