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ASP.Net 4.0 Core runtime enhancements

ASP.Net 4.0 Core runtime enhancements. Sundararajan Subramanian Associate Technical Architect | Aditi Technologies Ltd., http://tinyurl.com/codeshelve | sundararajans@hotmail.com. Asp.Net Resource Monitoring. Traditionally monitored at worker process level

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ASP.Net 4.0 Core runtime enhancements

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  1. ASP.Net 4.0Core runtime enhancements Sundararajan Subramanian Associate Technical Architect |Aditi Technologies Ltd., http://tinyurl.com/codeshelve|sundararajans@hotmail.com

  2. Asp.Net Resource Monitoring • Traditionally monitored at worker process level • No insight into the individual applications sharing the same worker process. • CLR 4 introduces ARM – Application domain resource management • Enables monitoring resources at individual appdomain level

  3. Asp.Net Resource Monitoring • ASP.NET 4 exposes performance counters built on ARM • Managed Memory Used • % Managed Processor Time

  4. Asp.Net Resource Monitoring • Enable ARM in aspnet.config file in the .Net framework directory <?xml version="1.0" encoding="UTF-8" ?> <configuration> <runtime> <appDomainResourceMonitoring enabled="true"/> </runtime> </configuration>

  5. DEMO Resource Monitoring

  6. Extensible Request Validation • Write your own custom Request Validators • Step1: Inherit from System.Web.Util.RequestValidator • Step2: Override IsValidRequestString(….) • Step3: configure custom request validator in web.config <httpRuntimerequestValidationType="Samples.MyValidator, Samples" />

  7. DEMO Request Validation

  8. Session State • Out-Of-Proc Session State Compression • Compressed using GZIP - System.IO.Compression.GZipStream <sessionState mode="SqlServer" sqlConnectionString="data source=dbserver;Initial Catalog=aspnetstate" allowCustomSqlDatabase="true" compressionEnabled="true" />

  9. Auto start Web applications • Intensive operations to be performed when application starts? • First request takes time? • Asp.Net 4 + IIS 7.5 + Windows 2008 R2 – Configure Autostart Web apps

  10. <applicationpools> <add name="defaultappPool" startMode="AlwaysRunning" /> </applicationpools> <sites> <site name="MySite" id="1"> <application path="/" serviceAutoStartEnabled="true" serviceAutoStartProvider="PrewarmMyCache" > <!-- Additional content --> </application> </site> </sites> <!-- Additional content --> <serviceautostartproviders> <add name="PrewarmMyCache" type="MyNamespace.CustomInitialization, MyLibrary" /> </serviceautostartproviders>

  11. Output Caching • Cache the response (output) in memory previously • High memory footprint in case of applications with heavy traffic • Asp.Net 4.0 provides features to write custom output cache providers • Can use any storage mechanism to store HTML content

  12. Output cache • Create Custom output cache provider by inheriting from System.Web.Caching.OutputCacheProvider • Configure the provider in the providers section of the web.config

  13. DEMO Output Caching

  14. URL limit • Previously 260 character limit. • Extend this character limit in Asp.net 4.0 by config • <httpRuntimemaxRequestPathLength="260" maxQueryStringLength="2048" /> • requestPathInvalidChars - Configure the set of valid characters in the url • <httpRuntimerequestPathInvalidChars="&lt;,&gt;,*,%,&amp;,:,\,?" />

  15. Other features • Custom Encoders • encoderType in <httpruntime> element • Object caching • Features of Asp.Net cache brought to other non web applications • RedirectPermanent(..) – HTTP 301

  16. References • Asp.Net http://www.asp.net/

  17. Feedback / QnA • Your Feedback is Important! Please take a few moments to fill out our online feedback form • Use the Question Manager on LiveMeeting to ask your questions now!

  18. Contact (optional slide) • Code snippets blog http://tinyurl.com/codeshelve http://sundars.net • Email Address sundararajans@hotmail.com Twitter - @sundararajans

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