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[EOL] Compute Resource Usage Analysis and Monitoring of Container Clusters
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README.md

Heapster

RETIRED: Heapster is now retired. See the deprecation timeline for more information on support. We will not be making changes to Heapster.

The following are potential migration paths for Heapster functionality:

  • For basic CPU/memory HPA metrics: Use metrics-server.

  • For general monitoring: Consider a third-party monitoring pipeline that can gather Prometheus-formatted metrics. The kubelet exposes all the metrics exported by Heapster in Prometheus format. One such monitoring pipeline can be set up using the Prometheus Operator, which deploys Prometheus itself for this purpose.

  • For event transfer: Several third-party tools exist to transfer/archive Kubernetes events, depending on your sink. heptiolabs/eventrouter has been suggested as a general alternative.

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Heapster enables Container Cluster Monitoring and Performance Analysis for Kubernetes (versions v1.0.6 and higher), and platforms which include it.

Heapster collects and interprets various signals like compute resource usage, lifecycle events, etc. Note that the model API, formerly used provide REST access to its collected metrics, is now deprecated. Please see the model documentation for more details.

Heapster supports multiple sources of data. More information here.

Heapster supports the pluggable storage backends described here. We welcome patches that add additional storage backends. Documentation on storage sinks here. The current version of Storage Schema is documented here.

Running Heapster on Kubernetes

Heapster can run on a Kubernetes cluster using a number of backends. Some common choices:

Running Heapster on OpenShift

Using Heapster to monitor an OpenShift cluster requires some additional changes to the Kubernetes instructions to allow communication between the Heapster instance and OpenShift's secured endpoints. To run standalone Heapster or a combination of Heapster and Hawkular-Metrics in OpenShift, follow this guide.

Troubleshooting guide here

Community

Contributions, questions, and comments are all welcomed and encouraged! Developers hang out on Slack in the #sig-instrumentation channel (get an invitation here). We also have the kubernetes-dev Google Groups mailing list. If you are posting to the list please prefix your subject with "heapster: ".

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