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Networks are unreliable. At some point we’ve all experienced ...
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LINQ uses lazy evaluation so
uniqueExceptionsin the last example will be enumerated and processed for distinct elements 3 times - for the.Count(),.First()and the final return. You should just call.ToList()after.Distinct()to get an actualListof exceptions.There's also the Polly library which handles retries, timeouts, circuit breakers and many other resiliency situations in a well built API.
github.com/App-vNext/Polly
Nice article. I've been looking at some of the concepts in Netflix's OSS client library hystrix github.com/Netflix/Hystrix for my api clients. It's got other useful functions like circuit breakers and incremental backoff on retries. There's even a c# port of it. github.com/Elders/Hystrix.NET