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mysql在线全备份和恢复

Jun 07, 2016 pm 03:08 PM
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欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入 在线全备份: mysqldump -uroot -p --default-character-set=utf8 --opt --master-data=1 --single-transaction --flush-logs databasename dabase_bak.sql 恢复: 1)# mysql -uroot -p databasename

欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入

  在线全备份:

  mysqldump -uroot -p --default-character-set=utf8 --opt --master-data=1 --single-transaction --flush-logs databasename > dabase_bak.sql

  恢复:

  1)# mysql -uroot -p databasename

  2)mysql>source /root/dabase_bak.sql

  大数据库的备份恢复:

  [root@ticket_backup ~]# vim /etc/my.cnf

  [mysqld]

  datadir=/var/lib/mysql

  socket=/var/lib/mysql/mysql.sock

  user=mysql

  # Default to using old password format for compatibility with mysql 3.x

  # clients (those using the mysqlclient10 compatibility package).

  old_passwords=1

  # Disabling symbolic-links is recommended to prevent assorted security risks;

  # to do so, uncomment this line:

  # symbolic-links=0

  log-bin=mysql-bin

  max_allowed_packet = 32M

  query_cache_size = 32M

  key_buffer_size = 384M

  table_cache = 128K

  [mysqld_safe]

  log-error=/var/log/mysqld.log

  pid-file=/var/run/mysqld/mysqld.pid

  [mysqldump]

  max_allowed_packet = 32M

mysql在线全备份和恢复

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