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Easy Scaling with AppFabric Cache and AOP

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What It Takes

• Microsoft AppFabric Cache– Licensed with Windows Server 2008 & later

• PostSharp Community Edition– Free version from www.SharpCrafters.com

• Gibraltar Analyst: Optional for monitoring– Our product, not required for anything you see

today.

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Why Caching?

• Apps ask a lot of repeating questions.– Stateless applications even more so

• Answers don’t change often• Authoritative information is expensive• Loading the world is impractical

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Out of the Box ASP.NET Caches

• System.Web.Caching – General Purpose– Use AppFabric as a “drop in” replacement

• Response.Cache a.k.a. Output Cache– You still want this. – If you’re not using it already, do this first.

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Caches Everywhere

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Integrating the Cache

• Explicit Caching• Cache Aside Pattern

Web Server Database ServerBrowser

AppFabric Cache Server

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Basic Cache Operations Demo

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Unique AppFabric Coolness

• Sharable within an Enterprise– Share transient state, like shopping carts &

sessions• Massive Scale Up• Rent it from Azure

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Go Forward and Scale!

• Know your apps real world performance• Find opportunities to reuse answers from any

operation with caching• Reconsider use of heavy persistence• Optimize for the Slashdot Effect

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Cachingdon’t fix stupid

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Additional Information:

Websites– www.GibraltarSoftware.com– www.SharpCrafters.com– msdn.microsoft.com/en-us/windowsserver

/ee695849.aspx

Follow Up– Kendall.Miller@gibraltarsoftware.com– Twitter: kendallmiller