Innodb hot backup manual

 · If you are using InnoDB Hot Backup utility and the www.doorway.ru wrapper script, be very careful if you are not running backups under the system mysql user. There is a bug which causes InnoDB Hot Backup to sometimes report a successful backup when it actually failed.  · InnoDB Hot Backup enables you to back up a running MySQL database, including InnoDB and MyISAM tables, with minimal disruption to operations while producing a consistent snapshot of the database. When InnoDB Hot Backup is copying InnoDB tables, reads and writes to both InnoDB and MyISAM tables can continue. product. This manual describes the procedures to back up and restore MySQL databases. It covers techniques for minimizing time and storage overhead during backups, and to keep the database available during backup operations. It illustrates the features and syntax of the mysqlbackup command, for example, how to back up.

Basically I want to have a backup/restore strategy for our slave servers in the event of something happening to the DB instead of having to just reaload from the Master. I ask this because we are doing a datasplit and have run some stuff against the slave that would take a very long time to redo if we lost the DB and had to start over. MariaDB starting with Since MariaDB , it is also possible to explicitly dump the buffer pool on disk before starting a logical backup, and restore it after the www.doorway.ru will undo any negative change to the buffer pool which happens during the backup. To dump the buffer pool, the innodb_buffer_pool_dump_now system variable can be set to ON. 3 Answers3. So the place you want to look for good solutions to MySQL issues is Mysql Performance Blog/Percona. Specifically, what you want to do is use their XtraBackup, which fixes a number of issues that occur with InnoDBs hot backup. You'd be well served to use their patched server with their InnoDB replacement XtraDB.

product. This manual describes the procedures to back up and restore MySQL databases. It covers techniques for minimizing time and storage overhead during backups, and to keep the database available during backup operations. It illustrates the features and syntax of the mysqlbackup command, for example, how to back up. Hot and cold backups are physical backups that copy actual data files, which can be used directly by the mysqld server for faster restore. Using MySQL Enterprise Backup is the recommended method for backing up InnoDB data. The two “hot” backup solutions that come to mind are MySQL’s Enterprise Backup and Percona’s Xtrabackup. Hot Backup. Both solutions copy the raw bytes from each source file to each backup file. This is similar to the coarse copy and avoids ruining our cache. The key difference is how both solutions leverage InnoDB’s log to avoid the race between this copy and incoming writes to the database files.