aws-cdk-lib.aws_sns.BackoffFunction

BackoffFunction Enum

Algorithms which can be used by SNS to calculate the delays associated with all of the retry attempts between the first and last retries in the backoff phase.

Source

aws-sns/lib/delivery-policy.ts

Type last changed

v2.169.0 · 21 Nov 2024

Example

const myTopic = new sns.Topic(this, 'MyTopic');

myTopic.addSubscription(
  new subscriptions.UrlSubscription(
    'https://foobar.com/',
    {
      deliveryPolicy: {
        healthyRetryPolicy: {
          minDelayTarget: Duration.seconds(5),
          maxDelayTarget: Duration.seconds(10),
          numRetries: 6,
          backoffFunction: sns.BackoffFunction.EXPONENTIAL,
        },
        throttlePolicy: {
          maxReceivesPerSecond: 10,
        },
        requestPolicy: {
          headerContentType: 'application/json',
        },
      },
    },
  ),
);

Members

Member	Description
ARITHMETIC	Arithmetic, see {@link https://docs.aws.amazon.com/images/sns/latest/dg/images/backoff-graph.png this image} for how this function compares to others.
EXPONENTIAL	Exponential, see {@link https://docs.aws.amazon.com/images/sns/latest/dg/images/backoff-graph.png this image} for how this function compares to others.
GEOMETRIC	Geometric, see {@link https://docs.aws.amazon.com/images/sns/latest/dg/images/backoff-graph.png this image} for how this function compares to others.
LINEAR	Linear, see {@link https://docs.aws.amazon.com/images/sns/latest/dg/images/backoff-graph.png this image} for how this function compares to others.

Referenced by

• HealthyRetryPolicy.backoffFunctionbackoff_functionbackoffFunctionBackoffFunctionBackoffFunction