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WAL-G vs Percona XtraBackup: catalog facts
WAL-G	Percona XtraBackup
Free Free and open source under the Apache licence.	Free Free and open source under the GPL.
Linux, Command line	Linux, Command line
Streams straight to object storage with compression and encryption Delta backups keep repeated full backups cheap	Backs up a running MySQL server with no downtime Incremental backups plus compression and encryption
Command-line only and closely tied to object storage MongoDB and Redis support is still beta	Version must match the server family, which is a common trip hazard Linux only
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.