# Official Sources — Alibaba Cloud Live ACK Rollout Guard

Authoritative Alibaba Cloud documentation for ACK rollout, node pool, and upgrade operations.

## Core References

- **ACK Overview** — https://www.alibabacloud.com/help/en/ack
  Overview of Alibaba Cloud Container Service for Kubernetes (ACK), cluster types, and feature comparison.

- **Upgrade a Cluster** — https://www.alibabacloud.com/help/en/ack/ack-managed-and-dedicated/user-guide/upgrade-a-cluster
  Step-by-step guide for upgrading ACK managed and dedicated cluster versions, including pre-upgrade checks.

- **Managed Node Pools** — https://www.alibabacloud.com/help/en/ack/ack-managed-and-dedicated/user-guide/node-pool-overview
  Node pool architecture, managed upgrade settings, and scaling configuration.

- **Scale a Node Pool** — https://www.alibabacloud.com/help/en/ack/ack-managed-and-dedicated/user-guide/scale-a-node-pool
  How to scale node pools up and down, including drain behavior and auto-scaling policies.

- **Serverless Kubernetes (ASK)** — https://www.alibabacloud.com/help/en/ack/serverless-kubernetes
  Serverless cluster architecture, ECI-based workload scheduling, and version management.

- **PodDisruptionBudget** — https://kubernetes.io/docs/tasks/run-application/configure-pdb/
  Kubernetes upstream documentation for configuring and auditing PDBs before disruptive operations.

- **ACK Audit Logging** — https://www.alibabacloud.com/help/en/ack/ack-managed-and-dedicated/user-guide/audit-log-overview
  Enabling and querying ACK audit logs for cluster and node pool operations.

- **ACK Release Notes** — https://www.alibabacloud.com/help/en/ack/ack-managed-and-dedicated/product-overview/release-notes
  Available Kubernetes versions for ACK clusters, deprecation timelines, and upgrade paths.
