MySQL 5.7 编译安装
安装依赖
yum install ncurses ncurses-devel -y
[root@localhost]# groupadd mysql
[root@localhost]# useradd -s /sbin/nologin -M -g mysql mysql
[root@localhost soft]# tar zxf mysql-boost-5.7.34.tar.gz
[root@localhost soft]# cd mysql-5.7.34/
[root@localhost mysql-5.7.34]# cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql \
-DSYSCONFDIR=/usr/local/mysql/etc \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DEXTRA_CHARSETS=all \
-DDEFAULT_CHARSET=utf8mb4 \
-DDEFAULT_COLLATION=utf8mb4_general_ci \
-DWITH_EMBEDDED_SERVER=1 -DENABLED_LOCAL_INFILE=1 \
-DWITH_BOOST=/opt/soft/mysql-5.7.34/boost
my.cnf
[client] #password = your_password port = 3306 socket = /tmp/mysql.sock [mysqld] port = 3306 socket = /tmp/mysql.sock datadir = /usr/local/mysql/data skip-external-locking key_buffer_size = 16M max_allowed_packet = 1M table_open_cache = 64 sort_buffer_size = 512K net_buffer_length = 8K read_buffer_size = 256K read_rnd_buffer_size = 512K myisam_sort_buffer_size = 8M thread_cache_size = 8 query_cache_size = 8M tmp_table_size = 16M performance_schema_max_table_instances = 500 explicit_defaults_for_timestamp = true #skip-networking max_connections = 500 max_connect_errors = 100 open_files_limit = 65535 log-bin=mysql-bin binlog_format=mixed server-id = 1 expire_logs_days = 10 early-plugin-load = "" default_storage_engine = InnoDB innodb_file_per_table = 1 innodb_data_home_dir = /usr/local/mysql/data innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /usr/local/mysql/data innodb_buffer_pool_size = 16M innodb_log_file_size = 5M innodb_log_buffer_size = 8M innodb_flush_log_at_trx_commit = 1 innodb_lock_wait_timeout = 50 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash [myisamchk] key_buffer_size = 20M sort_buffer_size = 20M read_buffer_size = 2M write_buffer_size = 2M [mysqlhotcopy] interactive-timeout
初始化数据库
--initialize-insecure 密码为空
--initialize 生成默认密码[root@local]# chown -R mysql.mysql /usr/local/mysql/data [root@local]# /usr/local/mysql/bin/mysqld --initialize-insecure --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --user=mysql [root@local]# chgrp -R mysql /usr/local/mysql/.
设置开机启动
[root@local]# cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld [root@local]# chmod 755 /etc/init.d/mysqld [root@local]# ln -sf /usr/local/mysql/bin/mysql /usr/bin/mysql [root@local]# ln -sf /usr/local/mysql/bin/mysqldump /usr/bin/mysqldump [root@local]# ln -sf /usr/local/mysql/bin/myisamchk /usr/bin/myisamchk [root@local]# ln -sf /usr/local/mysql/bin/mysqld_safe /usr/bin/mysqld_safe [root@local]# ln -sf /usr/local/mysql/bin/mysqlcheck /usr/bin/mysqlcheck
设置root密码
[root@local]# mysql mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('${DB_Root_Password}');
内存小于2G
key_buffer_size = 32M table_open_cache = 128 sort_buffer_size = 768K read_buffer_size = 768K myisam_sort_buffer_size = 8M thread_cache_size = 16 query_cache_size = 16M tmp_table_size = 32M innodb_buffer_pool_size = 128M innodb_log_file_size = 32M performance_schema_max_table_instances = 1000
内存 2G-4G
key_buffer_size = 64M table_open_cache = 256 sort_buffer_size = 1M read_buffer_size = 1M myisam_sort_buffer_size = 16M thread_cache_size = 32 query_cache_size = 32M tmp_table_size = 64M innodb_buffer_pool_size = 256M innodb_log_file_size = 64M performance_schema_max_table_instances = 2000
内存 4G-8G
key_buffer_size = 128M table_open_cache = 512 sort_buffer_size = 2M read_buffer_size = 2M myisam_sort_buffer_size = 32M thread_cache_size = 64 query_cache_size = 64M tmp_table_size = 64M innodb_buffer_pool_size = 512M innodb_log_file_size = 128M performance_schema_max_table_instances = 4000
内存 8G-16G
key_buffer_size = 256M table_open_cache = 1024 sort_buffer_size = 4M read_buffer_size = 4M myisam_sort_buffer_size = 64M thread_cache_size = 128 query_cache_size = 128M tmp_table_size = 128M innodb_buffer_pool_size = 1024M innodb_log_file_size = 256M performance_schema_max_table_instances = 6000
-内存 16G-32G
key_buffer_size = 512M table_open_cache = 2048 sort_buffer_size = 8M read_buffer_size = 8M myisam_sort_buffer_size = 128M thread_cache_size = 256 query_cache_size = 256M tmp_table_size = 256M innodb_buffer_pool_size = 2048M innodb_log_file_size = 512M performance_schema_max_table_instances = 8000
内存 > 32g
key_buffer_size = 1024M table_open_cache = 4096 sort_buffer_size = 16M read_buffer_size = 16M myisam_sort_buffer_size = 256M thread_cache_size = 512 query_cache_size = 512M tmp_table_size = 512M innodb_buffer_pool_size = 4096M innodb_log_file_size = 1024M performance_schema_max_table_instances = 10000
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