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Target customers: ACK users Features released: ACK is now integrated with the Prometheus component and Node-problem-detector (NPD) component. You can select the components when you create a cluster. You can also upgrade and maintain the components on the Components page. Prometheus is a component provided by Application Real-Time Monitoring Service (ARMS) for container monitoring. NPD is a tool used for node anomaly detection. NPD can export events that record node anomalies such as Docker Engine hangs, Linux kernel hangs, network access issues, and file descriptor issues. To view these events, choose Clusters > Event Center in the ACK console.