安装MySQL时，有warning:
| [root@localhost mysql]# scripts/mysql_install_db --user=mysqlInstalling MySQL system tables...2015-08-13 14:20:09 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).2015-08-13 14:20:09 0 [Note] ./bin/mysqld (mysqld 5.6.26) starting as process 1934 ...2015-08-13 14:20:09 1934 [Note] InnoDB: Using mutexes to ref count buffer pool pages2015-08-13 14:20:09 1934 [Note] InnoDB: The InnoDB memory heap is disabled2015-08-13 14:20:09 1934 [Note] InnoDB: Mutexes and rw_locks use InnoDB's own implementation2015-08-13 14:20:09 1934 [Note] InnoDB: Memory barrier is not used2015-08-13 14:20:09 1934 [Note] InnoDB: Compressed tables use zlib 1.2.32015-08-13 14:20:09 1934 [Note] InnoDB: Using Linux native AIO2015-08-13 14:20:09 1934 [Note] InnoDB: Not using CPU crc32 instructions2015-08-13 14:20:09 1934 [Note] InnoDB: Initializing buffer pool, size = 128.0M2015-08-13 14:20:09 1934 [Note] InnoDB: Completed initialization of buffer pool2015-08-13 14:20:10 1934 [Note] InnoDB: The first specified data file ./ibdata1 did not exist: a new database to be created!2015-08-13 14:20:10 1934 [Note] InnoDB: Setting file ./ibdata1 size to 12 MB2015-08-13 14:20:10 1934 [Note] InnoDB: Database physically writes the file full: wait...2015-08-13 14:20:10 1934 [Note] InnoDB: Setting log file ./ib_logfile101 size to 48 MB2015-08-13 14:20:11 1934 [Note] InnoDB: Setting log file ./ib_logfile1 size to 48 MB2015-08-13 14:20:12 1934 [Note] InnoDB: Renaming log file ./ib_logfile101 to ./ib_logfile02015-08-13 14:20:12 1934 [Warning] InnoDB: New log files created, LSN=457812015-08-13 14:20:12 1934 [Note] InnoDB: Doublewrite buffer not found: creating new2015-08-13 14:20:12 1934 [Note] InnoDB: Doublewrite buffer created2015-08-13 14:20:12 1934 [Note] InnoDB: 128 rollback segment(s) are active.2015-08-13 14:20:12 1934 [Warning] InnoDB: Creating foreign key constraint system tables.2015-08-13 14:20:12 1934 [Note] InnoDB: Foreign key constraint system tables created2015-08-13 14:20:12 1934 [Note] InnoDB: Creating tablespace and datafile system tables.2015-08-13 14:20:12 1934 [Note] InnoDB: Tablespace and datafile system tables created.2015-08-13 14:20:12 1934 [Note] InnoDB: Waiting for purge to start2015-08-13 14:20:12 1934 [Note] InnoDB: 5.6.26 started; log sequence number 02015-08-13 14:20:14 1934 [Note] Binlog end2015-08-13 14:20:14 1934 [Note] InnoDB: FTS optimize thread exiting.2015-08-13 14:20:14 1934 [Note] InnoDB: Starting shutdown...2015-08-13 14:20:16 1934 [Note] InnoDB: Shutdown completed; log sequence number 1625977OKFilling help tables...2015-08-13 14:20:16 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).2015-08-13 14:20:16 0 [Note] ./bin/mysqld (mysqld 5.6.26) starting as process 1957 ...2015-08-13 14:20:16 1957 [Note] InnoDB: Using mutexes to ref count buffer pool pages2015-08-13 14:20:16 1957 [Note] InnoDB: The InnoDB memory heap is disabled2015-08-13 14:20:16 1957 [Note] InnoDB: Mutexes and rw_locks use InnoDB's own implementation2015-08-13 14:20:16 1957 [Note] InnoDB: Memory barrier is not used2015-08-13 14:20:16 1957 [Note] InnoDB: Compressed tables use zlib 1.2.32015-08-13 14:20:16 1957 [Note] InnoDB: Using Linux native AIO2015-08-13 14:20:16 1957 [Note] InnoDB: Not using CPU crc32 instructions2015-08-13 14:20:16 1957 [Note] InnoDB: Initializing buffer pool, size = 128.0M2015-08-13 14:20:16 1957 [Note] InnoDB: Completed initialization of buffer pool2015-08-13 14:20:16 1957 [Note] InnoDB: Highest supported file format is Barracuda.2015-08-13 14:20:16 1957 [Note] InnoDB: 128 rollback segment(s) are active.2015-08-13 14:20:16 1957 [Note] InnoDB: Waiting for purge to start2015-08-13 14:20:16 1957 [Note] InnoDB: 5.6.26 started; log sequence number 16259772015-08-13 14:20:17 1957 [Note] Binlog end2015-08-13 14:20:17 1957 [Note] InnoDB: FTS optimize thread exiting.2015-08-13 14:20:17 1957 [Note] InnoDB: Starting shutdown...2015-08-13 14:20:18 1957 [Note] InnoDB: Shutdown completed; log sequence number 1625987OKTo start mysqld at boot time you have to copysupport-files/mysql.server to the right place for your systemPLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !To do so, start the server, then issue the following commands: ./bin/mysqladmin -u root password 'new-password' ./bin/mysqladmin -u root -h localhost.localdomain password 'new-password'Alternatively you can run: ./bin/mysql_secure_installationwhich will also give you the option of removing the testdatabases and anonymous user created by default. This isstrongly recommended for production servers.See the manual for more instructions.You can start the MySQL daemon with: cd . ; ./bin/mysqld_safe &You can test the MySQL daemon with mysql-test-run.pl cd mysql-test ; perl mysql-test-run.plPlease report any problems at http://bugs.mysql.com/The latest information about MySQL is available on the web at http://www.mysql.comSupport MySQL by buying support/licenses at http://shop.mysql.comNew default config file was created as ./my.cnf andwill be used by default by the server when you start it.You may edit this file to change server settingsWARNING: Default config file /etc/my.cnf exists on the systemThis file will be read by default by the MySQL serverIf you do not want to use this, either remove it, or use the--defaults-file argument to mysqld_safe when starting the server[root@localhost mysql]# |
