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https://issues.apache.org/jira/browse/HTTPCLIENT-2272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCLIENT-2272.
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Fix Version/s: 5.3-alpha1
Resolution: Fixed
> Add Exponential Backoff Strategy and Linear Strategy to AIMDBackoffManager
> ---------------------------------------------------------------------------
>
> Key: HTTPCLIENT-2272
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2272
> Project: HttpComponents HttpClient
> Issue Type: Improvement
> Reporter: Arturo Bernal
> Priority: Major
> Fix For: 5.3-alpha1
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Exponential Backoff Strategy:
>
> As part of our ongoing efforts to improve the reliability and performance of
> our system, we want to add support for exponential backoff in the
> {{AIMDBackoffManager}} class.
> Exponential backoff is a common strategy used in networking to reduce the
> number of retries and failures during high load or congested periods. The
> basic idea is to increase the delay between retries exponentially after each
> attempt, instead of using a fixed delay as in linear backoff. This helps to
> reduce the load on the server and improve overall system stability.
> The implementation of the exponential backoff strategy will be similar to the
> existing linear backoff strategy, but with some modifications to the delay
> calculation. The delay between retries will be calculated using an
> exponential function with a configurable base value and multiplier. The base
> value will be the initial delay, and the multiplier will be the factor by
> which
> the delay increases after each attempt.
>
> Linear Backoff Strategies:
>
> Currently, our AIMDBackoffManager only supports the Additive Increase
> Multiplicative Decrease (AIMD) algorithm for managing connection pool sizes.
> However, we would like to introduce additional Linear Backoff Strategies to
> improve our connection management and provide better resilience to network
> failures.
> The proposed Linear Backoff Strategies will allow us to gradually increase or
> decrease the connection pool size by a fixed amount in response to failed
> attempts or successful probes. This approach is more predictable than AIMD
> and can be more appropriate for certain network topologies or failure modes.
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