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2025-04-06 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Percona XtraBackup introduction and backup steps are what, many novices are not very clear about this, in order to help you solve this problem, the following small series will explain in detail for everyone, there are people who need this can learn, I hope you can gain something.
Percona XtraBackup is an open source free MySQL database hot backup software that can backup databases of InnoDB and XtraDB storage engines without blocking (MyISAM backups also require table locks).
XtraBackup supports all Percona Server, MySQL, MariaDB and Drizzle.
XtraBackup Benefits:
1. No need to stop database for InnoDB hot standby
2. Incremental backup MySQL
3. Stream compression to other servers
4. It is easy to create master-slave synchronization
5, MySQL backup will not increase the server load
The general steps for PXB backup:
Copy the InnoDB redo log, which is copied by a separate thread until the end of the backup;
Copy all InnoDB ibd files;
FLUSH TABLES WITH READ LOCK(FTWRL);
Copy frm, MYD, MYI and other documents;
Get the location information and execute show slave status and show master status.
UNLOCK UNTABLES;
Do some finishing touches, backup's done.
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