Jitter

ox.scheduling.Jitter

enum Jitter

A random factor used for calculating the delay between subsequent retries when a backoff strategy is used for calculating the delay.

The purpose of jitter is to avoid clustering of subsequent retries, i.e. to reduce the number of clients calling a service exactly at the same time - which can result in subsequent failures, contrary to what you would expect from retrying. By introducing randomness to the delays, the retries become more evenly distributed over time.

See the AWS Architecture Blog article on backoff and jitter for a more in-depth explanation.

Depending on the algorithm, the jitter can affect the delay in different ways - see the concrete variants for more details.

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Decorrelated jitter, i.e. the delay is a random value between the initial delay and the last delay multiplied by 3.

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Equal jitter, i.e. the delay is half of the calculated backoff delay plus a random value between 0 and the other half.

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Full jitter, i.e. the delay is a random value between 0 and the calculated backoff delay.

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No jitter, i.e. the delay just uses an exponential backoff with no adjustments.

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