ASP.NET Crash: Bad CacheItemRemovedCallback – Part II

In August I wrote about how you could cause a nasty high memory situation by using CacheItemRemovedCallbacks improperly, today I got a case where improper use of CacheItemRemovedCallback caused a crash, so I figured I’ll use it to show you how you can use them to bring down your website in seconds… Problem description The scenario is a…

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ASP.NET Case Study: Bad perf, high memory usage and high CPU in GC – Death By ViewState

I get enough issues relating to bad perf caused by large viewstate that I felt like it is time to dedicate some blog space to it, so here is a typical problem description for this type of problem. Problem description: Under high load the ASP.NET application will completely go down and stop serving pages, at…

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