# Why we rewrote WAL-G for Postgres backups in Rust: Meet WAL-RUS

DevFeed: [Why we rewrote WAL-G for Postgres backups in Rust: Meet WAL-RUS](<https://devfeed.tech/articles/why-we-rewrote-wal-g-for-postgres-backups-in-rust-meet-wal-rus-5630.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/walrus-postgres-backups-in-rust>)

Author: Sai Srirampur; Philip Dubé

Published: 2026-06-25T16:00:33Z

Content type: article

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [Tooling](<https://devfeed.tech/topics/tooling.md>), [Go Language](<https://devfeed.tech/topics/go-language.md>)

Tags: [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [go](<https://devfeed.tech/tags/go.md>), [infrastructure](<https://devfeed.tech/tags/infrastructure.md>), [memory](<https://devfeed.tech/tags/memory.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [postgres](<https://devfeed.tech/tags/postgres.md>), [resource](<https://devfeed.tech/tags/resource.md>), [rust](<https://devfeed.tech/tags/rust.md>), [tool](<https://devfeed.tech/tags/tool.md>), [tooling](<https://devfeed.tech/tags/tooling.md>)

## AI overview

ClickHouse describes WAL-RUS, an open-source Rust implementation for PostgreSQL backups and WAL archival. It aims to provide a more predictable, memory-efficient alternative compatible with WAL-G.

## Source excerpt

How we built WAL-RUS, an open-source Rust-based Postgres backup tool that reduces virtual memory usage by over 70% compared to WAL-G while maintaining full compatibility.