需要把默認(rèn) 的 --datadir 的 那個mysql拷貝到 /data 下 并賦予mysql的權(quán)限
為南溪等地區(qū)用戶提供了全套網(wǎng)頁設(shè)計制作服務(wù),及南溪網(wǎng)站建設(shè)行業(yè)解決方案。主營業(yè)務(wù)為做網(wǎng)站、網(wǎng)站設(shè)計、南溪網(wǎng)站設(shè)計,以傳統(tǒng)方式定制建設(shè)網(wǎng)站,并提供域名空間備案等一條龍服務(wù),秉承以專業(yè)、用心的態(tài)度為用戶提供真誠的服務(wù)。我們深信只要達(dá)到每一位用戶的要求,就會得到認(rèn)可,從而選擇與我們長期合作。這樣,我們也可以走得更遠(yuǎn)![root@linux-node2 ~]# ps -ef |grep mysql
root 12365 1 0 23:28 pts/1 00:00:00 /bin/sh /usr/bin/mysqld_safe --datadir=/data/mysql --pid-file=/var/lib/mysql/mysql.pid
mysql 13171 12365 0 23:28 pts/1 00:00:00 /usr/sbin/mysqld --basedir=/usr --datadir=/data/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/data/mysql/mysql-error.log --open-files-limit=65535 --pid-file=/var/lib/mysql/mysql.pid --socket=/data/socket/mysql.sock --port=3306
root 13208 2804 0 23:33 pts/1 00:00:00 grep --color=auto mysql
[root@linux-node2 ~]#
看一下my.cnf
[root@linux-node2 ~]# cat /etc/my.cnf [client] port = 3306 socket = /data/socket/mysql.sock default-character-set = utf8 [mysqld] port = 3306 character-set-server=utf8 socket = /data/socket/mysql.sock #basedir = /usr/local/mysql datadir = /data/mysql pid-file = /var/lib/mysql/mysql.pid user = mysql bind-address = 0.0.0.0 server-id = 1 skip-name-resolve #skip-networking back_log = 600 max_connections = 1000 max_connect_errors = 6000 open_files_limit = 65535 table_open_cache = 128 max_allowed_packet = 4M binlog_cache_size = 1M max_heap_table_size = 8M tmp_table_size = 16M read_buffer_size = 2M read_rnd_buffer_size = 8M sort_buffer_size = 8M join_buffer_size = 8M key_buffer_size = 4M thread_cache_size = 8 query_cache_size = 8M query_cache_limit = 2M ft_min_word_len = 4 log_bin = mysql-bin binlog_format = mixed expire_logs_days = 30 log_error = /data/mysql/mysql-error.log slow_query_log = 1 long_query_time = 1 slow_query_log_file = /data/mysql/mysql-slow.log performance_schema = 0 explicit_defaults_for_timestamp #lower_case_table_names = 1 skip-external-locking default_storage_engine = InnoDB #default-storage-engine = MyISAM innodb_file_per_table = 1 innodb_open_files = 500 innodb_buffer_pool_size = 64M innodb_write_io_threads = 4 innodb_read_io_threads = 4 innodb_thread_concurrency = 0 innodb_purge_threads = 1 innodb_flush_log_at_trx_commit = 2 innodb_log_buffer_size = 2M innodb_log_file_size = 32M innodb_log_files_in_group = 3 innodb_max_dirty_pages_pct = 90 innodb_lock_wait_timeout = 120 bulk_insert_buffer_size = 8M myisam_sort_buffer_size = 8M myisam_max_sort_file_size = 10G myisam_repair_threads = 1 interactive_timeout = 28800 wait_timeout = 28800 innodb_file_per_table = ON sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES [mysqldump] quick max_allowed_packet = 16M [myisamchk] key_buffer_size = 8M sort_buffer_size = 8M read_buffer = 4M write_buffer = 4M [root@linux-node2 ~]#修改socket的配置可以先停止 在啟動 否則 mysql不知道socket的位置
備份數(shù)據(jù)庫
mysqldump -uroot -p123456 -B mysql -F -R --master-data=2 --events --single-transaction |gzip >/opt/mysql.20170715.gz
mysqldump -uroot -p123456 -B mysql -F -R --master-data=2 --events --single-transaction >/opt/mysql.sql
gzip格式解壓
gzip -d 文件名
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