Examples with PredefinedMetricSpecification com.amazonaws.services.applicationautoscaling.model.PredefinedMetricSpecification used on opensource projects

Example 1 with PredefinedMetricSpecification

use of com.amazonaws.services.applicationautoscaling.model.PredefinedMetricSpecification in project aws-doc-sdk-examples by awsdocs.

the class EnableDynamoDBAutoscaling method main.

public static void main(String[] args) {
    ServiceNamespace ns = ServiceNamespace.Dynamodb;
    ScalableDimension tableWCUs = ScalableDimension.DynamodbTableWriteCapacityUnits;
    String resourceID = "table/TestTable";
    // Define the scalable target
    RegisterScalableTargetRequest rstRequest = new RegisterScalableTargetRequest().withServiceNamespace(ns).withResourceId(resourceID).withScalableDimension(tableWCUs).withMinCapacity(5).withMaxCapacity(10).withRoleARN("SERVICE_ROLE_ARN_GOES_HERE");
    try {
        aaClient.registerScalableTarget(rstRequest);
    } catch (Exception e) {
        System.err.println("Unable to register scalable target: ");
        System.err.println(e.getMessage());
    }
    // Verify that the target was created
    DescribeScalableTargetsRequest dscRequest = new DescribeScalableTargetsRequest().withServiceNamespace(ns).withScalableDimension(tableWCUs).withResourceIds(resourceID);
    try {
        DescribeScalableTargetsResult dsaResult = aaClient.describeScalableTargets(dscRequest);
        System.out.println("DescribeScalableTargets result: ");
        System.out.println(dsaResult);
        System.out.println();
    } catch (Exception e) {
        System.err.println("Unable to describe scalable target: ");
        System.err.println(e.getMessage());
    }
    System.out.println();
    // Configure a scaling policy
    TargetTrackingScalingPolicyConfiguration targetTrackingScalingPolicyConfiguration = new TargetTrackingScalingPolicyConfiguration().withPredefinedMetricSpecification(new PredefinedMetricSpecification().withPredefinedMetricType(MetricType.DynamoDBWriteCapacityUtilization)).withTargetValue(50.0).withScaleInCooldown(60).withScaleOutCooldown(60);
    // Create the scaling policy, based on your configuration
    PutScalingPolicyRequest pspRequest = new PutScalingPolicyRequest().withServiceNamespace(ns).withScalableDimension(tableWCUs).withResourceId(resourceID).withPolicyName("MyScalingPolicy").withPolicyType(PolicyType.TargetTrackingScaling).withTargetTrackingScalingPolicyConfiguration(targetTrackingScalingPolicyConfiguration);
    try {
        aaClient.putScalingPolicy(pspRequest);
    } catch (Exception e) {
        System.err.println("Unable to put scaling policy: ");
        System.err.println(e.getMessage());
    }
    // Verify that the scaling policy was created
    DescribeScalingPoliciesRequest dspRequest = new DescribeScalingPoliciesRequest().withServiceNamespace(ns).withScalableDimension(tableWCUs).withResourceId(resourceID);
    try {
        DescribeScalingPoliciesResult dspResult = aaClient.describeScalingPolicies(dspRequest);
        System.out.println("DescribeScalingPolicies result: ");
        System.out.println(dspResult);
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Unable to describe scaling policy: ");
        System.err.println(e.getMessage());
    }
}