On the recordRead 8 Oct 202626 facts
Kuasar
On the record
- App kernel support
- The app kernel sandboxer page says Quark is currently supported.kuasar.io · read 8 Oct 2026
- Architecture
- Kuasar consists of Kuasar-sandboxer for sandbox lifecycle and resource allocation management and Kuasar-Task for container lifecycle and resource allocation management.kuasar.io · read 8 Oct 2026
- Colocation
- Kuasar supports running multiple types of sandboxes on a single node.kuasar.io · read 7 Oct 2026
- Container runtime integration
- Kuasar connects to high-level container runtimes through a sandboxer plugin and the Sandbox API; the overview names containerd, CRI-O, Docker, and iSulad as examples of high-level runtimes.kuasar.io · read 7 Oct 2026
- Device management
- The maker says Kuasar separates sandbox device management logic from container device management to reduce resource residue problems.kuasar.io · read 7 Oct 2026
- Implementation
- Kuasar is written in Rust.kuasar.io · read 7 Oct 2026
- Isolation
- The microVM sandboxer uses virtual machines and Linux kernels, and its page says container I/O can be exported via vsock or uds.kuasar.io · read 8 Oct 2026
- Language
- The project homepage says Kuasar is written in Rust.kuasar.io · read 8 Oct 2026
- License
- Kuasar is licensed under Apache 2.0 and is free for personal or commercial use.kuasar.io · read 7 Oct 2026
- License and cost
- The homepage says Kuasar is licensed under Apache 2.0 and free for personal or commercial use.kuasar.io · read 8 Oct 2026
- Limitations
- The Wasm sandboxer documentation says Wasm sandboxes may have constraints for some applications.kuasar.io · read 8 Oct 2026
- MicroVM support
- The microVM sandboxer supports Cloud Hypervisor, StratoVirt, and QEMU.kuasar.io · read 8 Oct 2026
- MicroVM support limit
- The MicroVM sandboxer documentation says only Cloud Hypervisor, StratoVirt, and QEMU are currently supported.kuasar.io · read 7 Oct 2026
- Performance claim
- The homepage claims 2× startup speed and 99% reduction in shim overhead from its optimized framework.kuasar.io · read 8 Oct 2026
- Product
- Kuasar is a low-level, multi-sandbox container runtime for managing container and sandbox lifecycles.kuasar.io · read 8 Oct 2026
- Project affiliation
- The site identifies Kuasar as a Cloud Native Computing Foundation sandbox project.kuasar.io · read 8 Oct 2026
- Project status
- Kuasar is a Cloud Native Computing Foundation sandbox project.kuasar.io · read 7 Oct 2026
- Runtime integrations
- The documentation names containerd, CRI-O, Docker, and iSulad as examples of high-level container runtimes.kuasar.io · read 8 Oct 2026