olp::client::EqualJitterBackdownStrategy Struct Reference

Computes wait time for the next retry attempt via the exponential backoff with the added jitter. More...

#include <BackdownStrategy.h>

Public Member Functions
	EqualJitterBackdownStrategy (std::chrono::milliseconds cap=std::chrono::seconds(1))
	Creates a EqualJitterBackdownStrategy instance. More...
std::chrono::milliseconds	operator() (std::chrono::milliseconds initial_backdown_period, size_t retry_count)
	Computes the next retry attempt wait time based on the number of retries and initial backdown period. More...

Detailed Description

Computes wait time for the next retry attempt via the exponential backoff with the added jitter.

This backoff strategy is based on the Equal Jitter approach. See https://aws.amazon.com/blogs/architecture/exponential-backoff-and-jitter/

The actual formula can be described in the following way:

temp = min(cap, base * 2 ** attempt)
sleep = temp / 2 + random_between(0, temp / 2)

Constructor & Destructor Documentation

EqualJitterBackdownStrategy()

olp::client::EqualJitterBackdownStrategy::EqualJitterBackdownStrategy ( std::chrono::milliseconds  cap = std::chrono::seconds(1) )

inlineexplicit

Creates a EqualJitterBackdownStrategy instance.

Parameters

cap	The maximum cap used in the wait time formula.

Member Function Documentation

operator()()

std::chrono::milliseconds olp::client::EqualJitterBackdownStrategy::operator() ( std::chrono::milliseconds  initial_backdown_period, size_t  retry_count  )

inline

Computes the next retry attempt wait time based on the number of retries and initial backdown period.

Parameters

initial_backdown_period	The initial backdown period.
retry_count	The number of retries that are already made.

Returns

The timeout for the next retry attempt.

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The documentation for this struct was generated from the following file:

• olp-cpp-sdk-core/include/olp/core/client/BackdownStrategy.h