K8up

Spec sheet

Product

K8up is a Kubernetes Operator for backups, distributed via a Helm chart and compatible with OpenShift and plain Kubernetes.Read 9 Oct 2026 · k8up.io

Security

K8up’s vulnerability reporting page directs reporters to submit issues through the repository’s GitHub Security Advisories and says receipt is typically acknowledged within 24 hours.Read 9 Oct 2026 · k8up.io

Founded

2019Read 28 Sep 2026 · k8up.io

Application aware backups

K8up can include output from tools that write to stdout in application aware backups.Read 9 Oct 2026 · k8up.io

Architecture limit

K8up is built, tested, and supported on Linux x64; arm64 images are provided on a best-effort basis without further testing or support.Read 9 Oct 2026 · docs.k8up.io

Archival and retention

K8up can schedule longer-interval archival, check repository integrity, and prune old backups.Read 9 Oct 2026 · docs.k8up.io

Backup and restore

K8up supports scheduled and on-demand backups, archival, repository integrity checks, pruning, and restores using its CLI.Read 9 Oct 2026 · k8up.io

Backups

It can back up PVCs marked ReadWriteMany or ReadWriteOnce, or PVCs selected by a specific label, and supports on-demand and scheduled backups.Read 9 Oct 2026 · docs.k8up.io

Community support

The project provides a #k8up channel in the CNCF Slack workspace and GitHub discussions; it currently has no community meetings.Read 9 Oct 2026 · k8up.io

Installation

The documentation recommends installing K8up on a Kubernetes cluster with Helm and provides a CLI downloadable from GitHub Releases.Read 9 Oct 2026 · docs.k8up.io

Metrics

K8up includes metrics for monitoring backup behavior and alerting on misbehaviour.Read 9 Oct 2026 · k8up.io

Monitoring

K8up exposes Prometheus metrics for monitoring backup operations, with operator metrics and backup job metrics sent to a Prometheus Pushgateway.Read 9 Oct 2026 · docs.k8up.io

Multi-tenancy

K8up supports multi-tenant backup and restore operations.Read 9 Oct 2026 · k8up.io

Project and maturity

K8up is an open source CNCF Sandbox project that its documentation describes as stable and production ready since 2019.Read 9 Oct 2026 · docs.k8up.io

Project status

K8up describes itself as a CNCF Sandbox open source project and says it has been stable and production ready since 2019.Read 9 Oct 2026 · k8up.io

Restore

Backups can be restored with the K8up CLI tool.Read 9 Oct 2026 · docs.k8up.io

Security reporting

The project asks vulnerability reporters to submit reports through the repository’s GitHub security advisories and says receipt is typically acknowledged within 24 hours.Read 9 Oct 2026 · k8up.io

Self-service

K8up provides user self-service for backup and restore operations.Read 9 Oct 2026 · k8up.io

Sponsor

K8up is sponsored by VSHN AG.Read 9 Oct 2026 · k8up.io

Storage

K8up uses Restic and supports S3, SFTP, REST, local storage, and other targets.Read 9 Oct 2026 · k8up.io

Storage integrations

Built on Restic, K8up supports S3-compatible storage such as Amazon S3 and Minio; the product page also lists S3, SFTP, Rest, and Local targets.Read 9 Oct 2026 · k8up.io

Support and community

The project uses the CNCF Slack workspace in the #k8up channel and has GitHub Discussions; it says it does not currently host community meetings.Read 9 Oct 2026 · k8up.io

Supported platform

K8up v2 or later officially supports recent stable Kubernetes versions with WebSocket support in the API server, version 1.31 or later.Read 9 Oct 2026 · docs.k8up.io

Volume coverage

K8up can back up PVCs marked ReadWriteMany or ReadWriteOnce, or selected with a label.Read 9 Oct 2026 · k8up.io

Where Specifiction places it

• Kubernetes Backup Software#16 of 317.5
• Container Backup Software#16 of 287.5