MySQL 5.7主要特性
1、更好的性能
對于多核CPU、固態硬盤、鎖有著更好的優化,每秒100W QPS已不再是MySQL的追求,下個版本能否上200W QPS才是用戶更關心的。
2、更好的InnoDB存儲引擎
3、更為健壯的復制功能
復制帶來了數據完全不丟失的方案,傳統金融客戶也可以選擇使用。此外,GTID在線平滑升級也變得可能。
4、更好的優化器
優化器代碼重構的意義將在這個版本及以后的版本中帶來巨大的改進,Oracle官方正在解決MySQL之前最大的難題。
5、原生JSON類型的支持
6、更好的地理信息服務支持
InnoDB原生支持地理位置類型,支持GeoJSON,GeoHash特性
7、新增sys庫
以后這會是DBA訪問最頻繁的庫MySQL 5.7已經作為數據庫可選項添加到《OneinStack》
安裝準備
安裝依賴包
[root@snails ~]# yum -y install gcc gcc-c++ ncurses ncurses-devel cmake bison
下載相應源碼包
[root@snails ~]# wget https://sourceforge.net/projects/boost/files/boost/1.59.0/boost_1_59_0.tar.gz[root@snails ~]# wget http://cdn.mysql.com/Downloads/MySQL-5.7/mysql-5.7.13.tar.gz
新建MySQL用戶和用戶組
[root@snails ~]# groupadd -r mysql && useradd -r -g mysql -s /sbin/nologin -M mysql
預編譯
[root@snails ~]# tar -zxvf boost_1_59_0.tar.gz[root@snails data]# md5sum mysql-5.7.13.tar.gz 8fab75dbcafcd1374d07796bff88ae00 mysql-5.7.13.tar.gz[root@snails ~]# tar -zxvf mysql-5.7.13.tar.gz[root@snails data]# mkdir -p /data/mysql[root@snails data]# cd mysql-5.7.13[root@snails data]# cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql /-DMYSQL_DATADIR=/data/mysql /-DWITH_BOOST=../boost_1_59_0 /-DSYSCONFDIR=/etc /-DWITH_INNOBASE_STORAGE_ENGINE=1 /-DWITH_PARTITION_STORAGE_ENGINE=1 /-DWITH_FEDERATED_STORAGE_ENGINE=1 /-DWITH_BLACKHOLE_STORAGE_ENGINE=1 /-DWITH_MYISAM_STORAGE_ENGINE=1 /-DENABLED_LOCAL_INFILE=1 /-DENABLE_DTRACE=0 /-DDEFAULT_CHARSET=utf8mb4 /-DDEFAULT_COLLATION=utf8mb4_general_ci /-DWITH_EMBEDDED_SERVER=1
編譯安裝
[root@snails mysql-5.7.13]# make -j `grep processor /proc/cpuinfo | wc -l`#編譯很消耗系統資源,小內存可能編譯通不過make install[root@snails mysql-5.7.13]# make install
設置啟動腳本,開機自啟動
[root@snails mysql-5.7.13]# ls -lrt /usr/local/mysql[root@snails mysql-5.7.13]# cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld[root@snails mysql-5.7.13]# chmod +x /etc/init.d/mysqld[root@snails mysql-5.7.13]# systemctl enable mysqldmysqld.service is not a native service, redirecting to /sbin/chkconfig.Executing /sbin/chkconfig mysqld on
配置文件
/etc/my.cnf,僅供參考
[root@snails mysql-5.7.13]# cat > /etc/my.cnf << EOF[client]port = 3306socket = /dev/shm/mysql.sock[mysqld]port = 3306socket = /dev/shm/mysql.sockbasedir = /usr/local/mysqldatadir = /data/mysqlpid-file = /data/mysql/mysql.piduser = mysqlbind-address = 0.0.0.0server-id = 1init-connect = 'SET NAMES utf8mb4'character-set-server = utf8mb4#skip-name-resolve#skip-networkingback_log = 300max_connections = 1000max_connect_errors = 6000open_files_limit = 65535table_open_cache = 128max_allowed_packet = 4Mbinlog_cache_size = 1Mmax_heap_table_size = 8Mtmp_table_size = 16Mread_buffer_size = 2Mread_rnd_buffer_size = 8Msort_buffer_size = 8Mjoin_buffer_size = 8Mkey_buffer_size = 4Mthread_cache_size = 8query_cache_type = 1query_cache_size = 8Mquery_cache_limit = 2Mft_min_word_len = 4log_bin = mysql-binbinlog_format = mixedexpire_logs_days = 30log_error = /data/mysql/mysql-error.logslow_query_log = 1long_query_time = 1slow_query_log_file = /data/mysql/mysql-slow.logperformance_schema = 0explicit_defaults_for_timestamp#lower_case_table_names = 1skip-external-lockingdefault_storage_engine = InnoDB#default-storage-engine = MyISAMinnodb_file_per_table = 1innodb_open_files = 500innodb_buffer_pool_size = 64Minnodb_write_io_threads = 4innodb_read_io_threads = 4innodb_thread_concurrency = 0innodb_purge_threads = 1innodb_flush_log_at_trx_commit = 2innodb_log_buffer_size = 2Minnodb_log_file_size = 32Minnodb_log_files_in_group = 3innodb_max_dirty_pages_pct = 90innodb_lock_wait_timeout = 120bulk_insert_buffer_size = 8Mmyisam_sort_buffer_size = 8Mmyisam_max_sort_file_size = 10Gmyisam_repair_threads = 1interactive_timeout = 28800wait_timeout = 28800[mysqldump]quickmax_allowed_packet = 16M[myisamchk]key_buffer_size = 8Msort_buffer_size = 8Mread_buffer = 4Mwrite_buffer = 4MEOF
添加mysql的環境變量
初始化數據庫
注:
啟動數據庫
[root@snails mysql-5.7.13]# systemctl start mysqld[root@snails mysql-5.7.13]# systemctl status mysqld mysqld.service - LSB: start and stop MySQL Loaded: loaded (/etc/rc.d/init.d/mysqld) Active: active (running) since 一 2016-07-18 11:15:35 CST; 8s ago Docs: man:systemd-sysv-generator(8) Process: 23927 ExecStart=/etc/rc.d/init.d/mysqld start (code=exited, status=0/SUCCESS) CGroup: /system.slice/mysqld.service ├─23940 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/data/mysql --pid-file=/data/mysql/mysql.pid └─24776 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/data/mysql --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=/data/mysql/mysql-err...7月 18 11:15:32 snails systemd[1]: Starting LSB: start and stop MySQL...7月 18 11:15:35 snails mysqld[23927]: Starting MySQL..[ OK ]7月 18 11:15:35 snails systemd[1]: Started LSB: start and stop MySQL.
查看MySQL服務進程和端口
[root@snails mysql-5.7.13]# ps -ef | grep mysqlroot 23940 1 0 11:15 ? 00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/data/mysql --pid-file=/data/mysql/mysql.pidmysql 24776 23940 0 11:15 ? 00:00:00 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/data/mysql --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=/data/mysql/mysql-error.log --open-files-limit=65535 --pid-file=/data/mysql/mysql.pid --socket=/dev/shm/mysql.sock --port=3306[root@snails mysql-5.7.13]# netstat -tunpl | grep 3306tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 24776/mysqld
設置數據庫root用戶密碼
MySQL和Oracle數據庫一樣,數據庫也默認自帶了一個 root 用戶(這個和當前Linux主機上的root用戶是完全不搭邊的),我們在設置好MySQL數據庫的安全配置后初始化root用戶的密碼。配制過程中,一路輸入 y 就行了。這里只說明下MySQL5.7.13版本中,用戶密碼策略分成低級 LOW 、中等 MEDIUM 和超強 STRONG 三種,推薦使用中等 MEDIUM 級別!
[root@snails mysql-5.7.13]# mysql_secure_installation
常用操作
將MySQL數據庫的動態鏈接庫共享至系統鏈接庫
一般MySQL數據庫還會被類似于PHP等服務調用,所以我們需要將MySQL編譯后的lib庫文件添加至當前Linux主機鏈接庫 /etc/ld.so.conf.d/下,這樣MySQL服務就可以被其它服務調用了。
[root@snails mysql-5.7.13]# ldconfig |grep mysql[root@snails mysql-5.7.13]# echo "/usr/local/mysql/lib" > /etc/ld.so.conf.d/mysql.conf[root@snails mysql-5.7.13]# ldconfig[root@snails mysql-5.7.13]# ldconfig -v |grep mysqlldconfig: 無法對 /libx32 進行 stat 操作: 沒有那個文件或目錄ldconfig: 多次給出路徑“/usr/lib”ldconfig: 多次給出路徑“/usr/lib64”ldconfig: 無法對 /usr/libx32 進行 stat 操作: 沒有那個文件或目錄/usr/lib64/mysql: libmysqlclient.so.18 -> libmysqlclient.so.18.0.0/usr/local/mysql/lib: libmysqlclient.so.20 -> libmysqlclient.so.20.3.0
創建其它MySQL數據庫用戶
[root@snails mysql-5.7.13]# mysql -uroot -pEnter password: Welcome to the MySQL monitor. Commands end with ; or /g.Your MySQL connection id is 4Server version: 5.7.13-log Source distributionCopyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '/h' for help. Type '/c' to clear the current input statement.mysql>
mysql>CREATE DATABASE `tonnydb` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;Query OK, 1 row affected (0.01 sec)mysql> show databases;+--------------------+| Database |+--------------------+| information_schema || mysql || performance_schema || sys || tonnydb |+--------------------+5 rows in set (0.00 sec)mysql> grant all privileges on tonnydb.* to 'tonny@%' identified by 'Hi.Tonny@888';Query OK, 0 rows affected, 1 warning (0.00 sec)mysql> flush privileges;Query OK, 0 rows affected (0.01 sec)mysql> exit
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