Question 1

How to set up FusionCache with Redis in .NET?

Accepted Answer

Install the core ZiggyCreatures.FusionCache package and the ZiggyCreatures.FusionCache.Backplane.StackExchangeRedis package, then configure the distributed cache and backplane in your Dependency Injection setup. The README provides examples and a step-by-step guide for integration.

Question 2

FusionCache vs Microsoft HybridCache: which one should I use?

Accepted Answer

FusionCache can implement Microsoft's HybridCache abstraction while adding extra features like fail-safe and backplane support. If you need advanced resiliency or are in a distributed environment, FusionCache is better; otherwise, HybridCache might be simpler for basic caching.

Question 3

How to handle cache stampede in FusionCache?

Accepted Answer

FusionCache has built-in cache stampede protection that works both locally and distributed. Enable it via options like SetFactoryTimeouts and SetFailSafe to prevent multiple concurrent factory calls for the same key, as explained in the Cache Stampede documentation.

Question 4

Does FusionCache support caching null values?

Accepted Answer

Yes, it explicitly supports caching null values differently than 'no value', which avoids ambiguity and improves performance by distinguishing between cache misses and null results, a feature noted in the additional details.

Question 5

How to monitor FusionCache performance with OpenTelemetry?

Accepted Answer

Install the ZiggyCreatures.FusionCache.OpenTelemetry package and configure it in your setup. FusionCache emits metrics and traces that integrate seamlessly into observability pipelines, detailed in the OpenTelemetry docs.

Question 6

What serialization options are available for distributed cache?

Accepted Answer

FusionCache supports multiple serializers via NuGet packages, including Newtonsoft.Json, System.Text.Json, MessagePack, and Protobuf, allowing you to choose based on performance and compatibility needs, as listed in the packages table.

FusionCache

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