On the recordRead 8 Oct 202621 facts
Sōzu
Nantes, France
On the record
- Control plane
- External tools communicate with the main process through a Unix socket using a Protocol Buffers based binary protocol, and configuration is applied as atomic diffs.sozu.io · read 8 Oct 2026
- Deployment
- The project publishes Linux binaries and Docker images for tagged releases and also documents building from source.github.com · read 8 Oct 2026
- Dynamic configuration
- Sōzu applies configuration changes at runtime without reloading and supports multiple updates per second.sozu.io · read 8 Oct 2026
- High availability
- Sōzu is designed to stay up while it upgrades itself and to avoid losing connections during configuration changes and binary upgrades.sozu.io · read 8 Oct 2026
- Installation
- The project README says prebuilt binaries are available for Linux and Docker images are published for tagged releases.github.com · read 8 Oct 2026
- Intended users
- The maker describes Sōzu as used by cloud and PaaS providers to manage changing web infrastructure and frequent app and customer additions.sozu.io · read 8 Oct 2026
- License
- Sōzu is covered by the GNU Affero General Public License version 3.0 and above; the maker says businesses based on Sōzu should contribute back or contact Clever Cloud for a business agreement.sozu.io · read 8 Oct 2026
- Limits
- The project says Sōzu uses fixed resource and connection limits to help avoid out-of-memory kills and increased latency under high connection counts.sozu.io · read 8 Oct 2026
- Load balancing
- It detects broken backend servers and supports Round Robin, Random, Least_loaded, and Power of two load balancing algorithms.sozu.io · read 8 Oct 2026
- Logging
- Its logger can send logs to stdout, files, TCP, UDP, and Unix sockets.sozu.io · read 8 Oct 2026
- Metrics
- Metrics can be sent using a StatsD compatible protocol or aggregated locally for querying through the configuration socket.sozu.io · read 8 Oct 2026
- Product
- Sōzu is an open source TCP and HTTP reverse proxy built in Rust for highly demanding web infrastructure.sozu.io · read 8 Oct 2026
- Purpose
- Sōzu is an open-source TCP and HTTP reverse proxy built in Rust for demanding, dynamic web infrastructures.sozu.io · read 8 Oct 2026
- Release verification
- The project README says releases include SHA256 checksums, sigstore keyless signatures, and SLSA build provenance attestations for tarballs.github.com · read 8 Oct 2026
- Resource limits
- Sōzu uses fixed resource and connection limits to help avoid out of memory kills and increased latency under high connection counts.sozu.io · read 8 Oct 2026
- Runtime configuration
- It applies configuration changes at runtime without reloading, including atomic configuration diffs through a Unix socket using a Protocol Buffers based protocol.sozu.io · read 8 Oct 2026
- Security
- The project describes Rust as providing memory safety and says Sōzu workers are sandboxed, with backends shielded behind the proxy.github.com · read 8 Oct 2026
- Support contact
- The site’s legal notice lists [email protected] for general support.sozu.io · read 8 Oct 2026
