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二进制安装MySQL 5.6
yum -y install libaio-devel useradd mysql -s /sbin/nologin -M mkdir /data/mysql/{data,tmp,binlog,log} -p chown -R mysql.mysql /data/mysql tar -xf mysql-5.6.20-linux-glibc2.5-x86_64.tar.gz -C /usr/local/ cd /usr/local/ mv mysql-5.6.20-linux-glibc2.5-x86_64 mysql chown -R mysql.mysql /usr/local/mysql cd /usr/local/mysql/scripts ./mysql_install_db --datadir=/data/mysql/data --basedir=/usr/local/mysql --user=mysql --explicit_defaults_for_timestamp cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld echo "export PATH=$PATH:/usr/local/mysql/bin" > /etc/profile.d/mysql.sh source /etc/profile chkconfig mysqld on /etc/init.d/mysqld restart ps -ef|grep mysql
###启动MySQL是报错
Starting MySQL.. ERROR! The server quit without updating PID file (/usr/local/mysql/localhost.pid).
查看mysql的日志
[ERROR] InnoDB: auto-extending data file /data/mysql/data/ibdata1 is of a different size 768 pages (rounded down to MB) than specified in the .cnf file: initial 32000 pages, max 0 (relevant if non-zero) pages! [ERROR] InnoDB: Could not open or create the system tablespace. If you tried to add new data files to the system tablespace, and it failed here, you should now edit innodb_data_file_path in my.cnf back to what it was, and remove the new ibdata files InnoDB created in this failed attempt. InnoDB only wrote those files full of zeros, but did not yet use them in any way. But be careful: do not remove old data files which contain your precious data! [ERROR] Plugin 'InnoDB' init function returned error. [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. [ERROR] Unknown/unsupported storage engine: InnoDB [ERROR] Aborting
解决方法:
执行删除命令:rm -rf /data/mysql/data/ib*
删除:ibdata1、ib_logfile0、ib_logfile1文件
重新启动:service mysqld start
#删除测试库
#mysql
mysql> show databases ; mysql> drop database test;
#删除一些没有用的用户
mysql> SELECT DISTINCT CONCAT('User: ''',user,'''@''',host,''';') AS query FROM mysql.user; mysql> drop user 'root'@'::1'; mysql> drop user ''@'localhost'; mysql> drop user ''@'localhost.localdomain'; mysql> drop user 'root'@'localhost.localdomain';
#设置数据库登录密码
grant all privileges on *.* to 'root'@'localhost' identified by 'new_pass' with grant option; grant all privileges on *.* to 'root'@'127.0.0.1' identified by 'new_pass' with grant option; flush privileges;
#配置文件
#my.cnf
[mysqld] back_log = 2000 basedir = /usr/local/mysql binlog-format = MIXED character_set_server = utf8 datadir = /data/mysql/data event_scheduler = ON expire_logs_days = 1 innodb_autoinc_lock_mode = 1 innodb_buffer_pool_size = 1073741824 innodb_data_file_path = ibdata1:500M:autoextend innodb_data_home_dir = /data/mysql/data innodb_file_per_table = 1 innodb_flush_log_at_trx_commit = 2 innodb_flush_method = O_DIRECT innodb_io_capacity = 2000 innodb_log_buffer_size = 8388608 innodb_log_files_in_group = 3 innodb_log_group_home_dir = /data/mysql/data innodb_max_dirty_pages_pct = 50 innodb_open_files = 1024 innodb_read_io_threads = 8 innodb_thread_concurrency = 20 innodb_write_io_threads = 8 innodb_lock_wait_timeout = 10 innodb_buffer_pool_load_at_startup = 1 innodb_buffer_pool_dump_at_shutdown = 1 key_buffer_size = 3221225472 innodb_log_file_size = 1G local_infile = 1 log-bin = /data/mysql/binlog/mysql-bin.log log_bin_trust_function_creators = 1 log_output = FILE long_query_time = 1 log-error = /data/mysql/log/error.log max_allowed_packet = 134217728 max_connect_errors = 1000000 max_connections = 2000 myisam_sort_buffer_size = 33554432 myisam_recover = 1 join_buffer_size = 8388608 tmp_table_size = 33554432 net_buffer_length = 8192 performance_schema = 1 performance_schema_max_table_instances = 200 pid-file = /data/mysql/mysqld.pid port = 3306 query_cache_size = 0 query_cache_type = 0 read_buffer_size = 20971520 read_rnd_buffer_size = 16M max_heap_table_size = 33554432 bulk_insert_buffer_size = 134217728 #relay-log = /data/mysql/log/mysql-relay.log secure-file-priv = /data/mysql/tmp server-id = 1131053306 skip-slave-start skip_name_resolve slave-load-tmpdir = /data/mysql/tmp slow-query-log-file = /data/mysql/log/mysql-slow.log slow_query_log = 1 socket = /tmp/mysql.sock sort_buffer_size = 2097152 table_open_cache = 128 thread_cache_size = 50 tmpdir = /data/mysql/tmp user = mysql wait_timeout = 2880000 transaction_isolation=read-committed long_query_time=1 sync_binlog=0 innodb_flush_log_at_trx_commit=0 [mysqld_safe] log-error = /data/mysql/log/error.log pid-file = /data/mysql/mysqld.pid
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