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30 lines
1.6 KiB
30 lines
1.6 KiB
# Exponential Backoff [![GoDoc][godoc image]][godoc] [![Coverage Status][coveralls image]][coveralls]
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This is a Go port of the exponential backoff algorithm from [Google's HTTP Client Library for Java][google-http-java-client].
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[Exponential backoff][exponential backoff wiki]
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is an algorithm that uses feedback to multiplicatively decrease the rate of some process,
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in order to gradually find an acceptable rate.
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The retries exponentially increase and stop increasing when a certain threshold is met.
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## Usage
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Import path is `github.com/cenkalti/backoff/v4`. Please note the version part at the end.
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Use https://pkg.go.dev/github.com/cenkalti/backoff/v4 to view the documentation.
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## Contributing
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* I would like to keep this library as small as possible.
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* Please don't send a PR without opening an issue and discussing it first.
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* If proposed change is not a common use case, I will probably not accept it.
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[godoc]: https://pkg.go.dev/github.com/cenkalti/backoff/v4
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[godoc image]: https://godoc.org/github.com/cenkalti/backoff?status.png
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[coveralls]: https://coveralls.io/github/cenkalti/backoff?branch=master
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[coveralls image]: https://coveralls.io/repos/github/cenkalti/backoff/badge.svg?branch=master
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[google-http-java-client]: https://github.com/google/google-http-java-client/blob/da1aa993e90285ec18579f1553339b00e19b3ab5/google-http-client/src/main/java/com/google/api/client/util/ExponentialBackOff.java
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[exponential backoff wiki]: http://en.wikipedia.org/wiki/Exponential_backoff
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[advanced example]: https://pkg.go.dev/github.com/cenkalti/backoff/v4?tab=doc#pkg-examples
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