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Restate Operator v2.2.0

✨ New Features

  • Knative Serving deployment mode — RestateDeployment now supports Knative Serving as an alternative to traditional ReplicaSets. This enables:

    • Scale-to-zero: Services automatically scale down when idle, saving resources
    • Automatic scaling: Replicas scale based on concurrent request load
    • In-place updates: Update service implementation without changing Restate deployment identity
    • Tag-based identity: Control versioning behavior with the tag field — same tag means in-place update, changed tag means versioned update, no tag means auto-versioning

    See the Knative Serving Mode documentation for details. (#64)

🐛 Bug Fixes

  • Fix DNS network policy for NodeLocal DNSCache — The operator now creates DNS egress policies that work with both traditional kube-dns and NodeLocal DNSCache (169.254.20.10). This fixes DNS resolution issues on GKE Autopilot and other Kubernetes environments using node-local DNS caching. (#88)

⚙️ Configuration Changes

  • Default partitions increased to 24 — The default number of partitions is now 24 (previously lower), providing better parallelism for most workloads. (#84)

📝 Documentation

  • Added dedicated Knative Serving mode section to README with examples and tag-based versioning guide
  • Added troubleshooting section for DNS resolution issues
  • Updated RocksDB memory documentation (#82)

⚠️ Upgrading Notes

CRD Update Required: Helm does not automatically upgrade CRDs. After upgrading the operator, you must manually apply the updated CRDs:

kubectl apply --server-side -f https://github.com/restatedev/restate-operator/releases/download/v2.2.0/restateclusters.yaml
kubectl apply --server-side -f https://github.com/restatedev/restate-operator/releases/download/v2.2.0/restatedeployments.yaml
kubectl apply --server-side -f https://github.com/restatedev/restate-operator/releases/download/v2.2.0/restatecloudenvironments.yaml

Note: The restatedeployments CRD update is especially important for this release as it includes the new Knative Serving deployment mode fields.

Then upgrade the operator via Helm:

helm upgrade restate-operator restatedev/restate-operator --version 2.2.0

New Contributors

Full Changelog: v2.1.0...v2.2.0

Contributors

AhmedSoliman
Assets 5
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