实施ServiceBusTransientErrorDetectionStrategy指数重试政策

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问题描述

我想实现重试政策服务总线暂时性错误。我想我的系统尝试像指数1S，2S，4S，8S，16S，32S，64S，128S。

I am trying to implement Retry Policy for Service Bus transient error. I want my system to try exponentially like 1s, 2s, 4s, 8s, 16s, 32s, 64s, 128s.

    private int minBackoffDelayInMilliseconds = 2000;
    private int maxBackoffDelayInMilliseconds = 10000;
    private int deltaBackoffInMilliseconds = 2000;

    var defaultPolicy = new RetryPolicy<ServiceBusTransientErrorDetectionStrategy>(new ExponentialBackoff(maxRetries, TimeSpan.FromMilliseconds(minBackoffDelayInMilliseconds), TimeSpan.FromMilliseconds(maxBackoffDelayInMilliseconds), TimeSpan.FromMilliseconds(deltaBackoffInMilliseconds))

这是否正确？与此政策影响系统性能？

Does this look right ? and does this policy affect the system performance ?

推荐答案

下面是天蓝色CAT队一个很好的文章，显示了两个例子。

Here is a good article from the Azure CAT team that shows a couple of examples.

https://azure.microsoft.com/en-us/documentation/articles/best-practices-retry-service-specific/#service-bus-retry-guidelines

他们建议做这样的：

namespaceManager.Settings.RetryPolicy = new RetryExponential(TimeSpan.FromSeconds(0.1),TimeSpan.FromSeconds(30), TimeSpan.FromSeconds(2), TimeSpan.FromSeconds(5), 3);

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