Rust port of wal-g for PostgreSQL, tuned for no-overcommit hosts (streaming I/O, no full-segment buffering).

Storage backends

• file://
• s3://
• gs://

Compression

none, zstd, brotli, lz4, lzma, gzip

Commands

wal-push, wal-fetch, wal-prefetch, wal-show, wal-verify, wal-restore, wal-receive, backup-push, backup-fetch, backup-list, backup-show, backup-mark, delete, copy, daemon, daemon-client

Configuration follows wal-g env vars (WALG_*, PG*). See walrus --help per subcommand.

Docs

• docs/DESIGN.md — architecture & design decisions
• docs/WALG_COMPAT.md — wal-g interop guarantees & divergences