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Perform XtraBackup and zip to a file
Answer:
In the previous article, we have discussed how to perform a hot backup on InnoDB with XtraBackup , but is it possible to zip the result directly to a file?
Sure, you can use the wrapper script came with the XtraBackup - innobackupex
For example, to backup and zip the result files to zipped files, you can use:
# innobackupex --stream=tar ./ | gzip - > backup.tar.gz
How to perform hot backup for InnoDB?
Answer:
You can buy the official backup tool - "InnoDB Hot Backup" if you have the money. But you can also use the free alternative - the Percona XtraBackup
To download and install, you can refer to their web site: http://www.percona.com/docs/wiki/percona-xtrabackup:installation:binaries
To perform a quick and simple backup, you need:
# sudo xtrabackup --defaults-file=/etc/mysql/my.cnf --backup --target-dir=/tmp/backup --datadir=/var/lib/mysql
How to dump an MySQL/InnoDB database
Answer:
To do a point-in-time SQL dump of a InnoDB database, use the mysqldump command with the --single-transaction flag
# mysqldump --master-data=2 --single-transaction huge_db > backup.sql
The binlog position will be written in the backup.sql, which is very useful for database recovery if needed.
