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...Compression is usually the bottleneck during backup operations but, even with now-ubiquitous multi-core servers, most database backup solutions are still single-process. pgBackRest solves the compression bottleneck with parallel processing. Utilizing multiple cores for compression makes it possible to achieve 1TB/hr raw throughput even on a 1Gb/s link. More cores and a larger pipe lead to even higher throughput. A custom protocol allows pgBackRest to backup, restore, and archive locally or remotely via TLS/SSH with minimal configuration. An interface to query PostgreSQL is also provided via the protocol layer so that remote access to PostgreSQL is never required, which enhances security.

Rsync time backup is a shell script that provides Time Machine–style backups using rsync, with a focus on being simple, flexible, and cross-platform. It creates incremental backups of files and directories, placing each snapshot in its own timestamped folder so you can restore files by simply copying them from the backup tree. Unchanged files between backups are represented as hard links, which means you get a full snapshot view of each backup while using minimal additional disk space. The...

rsback makes rotating backups using the common rsync program combined with hard-link copies on Unix-based backup hosts. This results in a fast and disk space saving backup technique. No more updates of rsback will be published here. Current versions are available here: https://www.pollux.franken.de/projekte/rsback

tawkback uses tar, find, and awk in shell scripts to create and manage incremental and time-based backup data. The use of existing shell utilities gives a surprising level of functionality. Click the "Docs" link above to view the users guide.