yum install libaio perl-Data-Dumper -y

useradd  -r -s /usr/sbin/nologin mysql
 ```

# 下载解压
```bash 
cd /usr/local
wget http://cdn.mysql.com/archives/mysql-5.x/mysql-VERSION-OS.tar.gz

tar zxvf /path/to/mysql-VERSION-OS.tar.gz
ln -s full-path-to-mysql-VERSION-OS mysql
cd mysql 
# 数据目录
mkdir -p /data/mysql_data   
chown -R mysql:mysql . 
chown -R mysql:mysql /data/mysql_data 

# 修改
* soft nofile 65535
* hard nofile 65535

[client]
user=mysql
password=66666

[mysqld]

########basic settings########

server-id = 1
port = 3306
user = mysql
# bind_address = 192.168.1.10  #根据实际情况修改
# autocommit = 0   #5.6.X安装时，需要注释掉，安装完成后再打开
character_set_server=utf8
skip_name_resolve = 1
max_connections = 800
max_connect_errors = 1000
basedir=/user/local/mysql
datadir = /data/mysql_data      #根据实际情况修改,建议和程序分离存放
transaction_isolation = READ-COMMITTED
explicit_defaults_for_timestamp = 1
join_buffer_size = 134217728
tmp_table_size = 67108864
tmpdir = /tmp
max_allowed_packet = 16777216
sql_mode = "STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER"
interactive_timeout = 1800
wait_timeout = 1800
read_buffer_size = 16777216
read_rnd_buffer_size = 33554432
sort_buffer_size = 33554432

########log settings########

log_error = error.log
slow_query_log = 1
slow_query_log_file = slow.log
log_queries_not_using_indexes = 1
log_slow_admin_statements = 1
log_slow_slave_statements = 1
log_throttle_queries_not_using_indexes = 10
expire_logs_days = 90 # *
long_query_time = 2   # *
min_examined_row_limit = 100

########replication settings########
#
# master_info_repository = TABLE
# relay_log_info_repository = TABLE
# log_bin = bin.log # *
# sync_binlog = 1
# gtid_mode = on
# enforce_gtid_consistency = 1
# log_slave_updates
# binlog_format = row  #
# relay_log = relay.log
# relay_log_recovery = 1
# binlog_gtid_simple_recovery = 1
# slave_skip_errors = ddl_exist_errors
#

########innodb settings########

innodb_page_size = 8192
innodb_buffer_pool_size = 0.5G    #根据实际情况修改
innodb_buffer_pool_instances = 8 # *
# innodb_buffer_pool_load_at_startup = 1
# innodb_buffer_pool_dump_at_shutdown = 1
# innodb_lru_scan_depth = 2000
innodb_lock_wait_timeout = 5
innodb_io_capacity = 4000
innodb_io_capacity_max = 8000
innodb_flush_method = O_DIRECT
innodb_file_format = Barracuda
innodb_file_format_max = Barracuda
innodb_log_group_home_dir = /tmp/  #根据实际情况修改
innodb_undo_directory = /tmp/      #根据实际情况修改
innodb_undo_logs = 128
innodb_undo_tablespaces = 3
innodb_flush_neighbors = 1
innodb_log_file_size = 0.5G               #根据实际情况修改
innodb_log_buffer_size = 16777216
innodb_purge_threads = 4
innodb_large_prefix = 1
innodb_thread_concurrency = 64
innodb_print_all_deadlocks = 1
innodb_strict_mode = 1
innodb_sort_buffer_size = 67108864 

########semi sync replication settings########
#
# plugin_dir=/usr/local/mysql/lib/plugin      #根据实际情况修改
# plugin_load = "rpl_semi_sync_master=semisync_master.so;rpl_semi_sync_slave=semisync_slave.so"
# loose_rpl_semi_sync_master_enabled = 1
# loose_rpl_semi_sync_slave_enabled = 1
# loose_rpl_semi_sync_master_timeout = 5000

[mysqld-5.7]
innodb_buffer_pool_dump_pct = 40
innodb_page_cleaners = 4
innodb_undo_log_truncate = 1
innodb_max_undo_log_size = 2G
innodb_purge_rseg_truncate_frequency = 128
binlog_gtid_simple_recovery=1
log_timestamps=system
transaction_write_set_extraction=MURMUR32
show_compatibility_56=on

/usr/local/mysql/scripts/mysql_install_db --user=mysql   --defaults-file=/etc/my.cnf

cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql

chown -R mysql:mysql /usr/local/mysql /data/mysql_data

vim  /etc/profile.d/mysql.sh
export PATH=/usr/local/mysql/bin:$PATH

cat >> /etc/ld.so.conf.d/mysql.conf <<EOF
/opt/mysql/lib
EOF

/etc/init.d/mysql start # 启动数据库
/etc/init.d/mysql stop  # 停止数据库

shell> groupadd mysql
shell> useradd -r -g mysql -s /bin/false mysql
shell> cd /usr/local
shell> tar zxvf /path/to/mysql-VERSION-OS.tar.gz
shell> ln -s full-path-to-mysql-VERSION-OS mysql
shell> cd mysql
shell> mkdir mysql-files
shell> chmod 750 mysql-files
shell> chown -R mysql .
shell> chgrp -R mysql .
shell > ./scripts/mysql_install_db --user=mysql  # 5.6

shell> bin/mysql_install_db --user=mysql    # MySQL 5.7.5
shell> bin/mysqld --initialize --user=mysql # MySQL 5.7.6 and up
shell> bin/mysql_ssl_rsa_setup              # MySQL 5.7.6 and up
shell> chown -R root .
shell> chown -R mysql data mysql-files
shell> bin/mysqld_safe --user=mysql &
# Next command is optional
shell> cp support-files/mysql.server /etc/init.d/mysql.server