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Resource Requests

home:concepts:stackable_resource_requests.adoc

A minimal HA setup consisting of 2 Hive metastore instances has the following resource requirements:

  • 100m CPU request

  • 3000m CPU limit

  • 1280m memory request and limit

Of course, additional services, require additional resources. For Stackable components, see the corresponding documentation on further resource requirements.

Corresponding to the values above, the operator uses the following resource defaults:

metastore:
  roleGroups:
    default:
      config:
        resources:
          requests:
            cpu: "250m"
            memory: "512Mi"
          limits:
            cpu: "1000m"
            memory: "512Mi"

The operator may configure an additional container for log aggregation. This is done when log aggregation is configured as described in concepts:logging.adoc. The resources for this container cannot be configured using the mechanism described above. Use podOverrides for this purpose.

You can configure your own resource requests and limits by following the example above.

For more details regarding Kubernetes CPU limits see: Assign CPU Resources to Containers and Pods.