in src/Middleware/Grpc/Client/Retry.cs [14:21]
public RetryInterceptor()
{
_retryPolicy = Policy
.Handle<RpcException>(ex =>
ex.Status.StatusCode == StatusCode.Aborted ||
ex.Status.StatusCode == StatusCode.Unavailable)
.WaitAndRetryAsync(3, retryAttempt => TimeSpan.FromMilliseconds(Math.Pow(2, retryAttempt) * 100));
}