asp.net 4.0 core runtime enhancements

Interoperabi l i ty w ith Microsoft Technologies

ASP.Net 4.0Core runtime enhancements

Sundararajan SubramanianAssociate Technical Architect | Aditi Technologies Ltd.,http://tinyurl.com/codeshelve | [email protected]

http://tinyurl.com/codeshelve

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Asp.Net Resource MonitoringTraditionally 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


Asp.Net Resource MonitoringASP.NET 4 exposes performance counters built on ARM

Managed Memory Used % Managed Processor Time


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>


Resource Monitoring

DEMO


Extensible Request Validation

Write your own custom Request ValidatorsStep1: Inherit from System.Web.Util.RequestValidatorStep2: Override IsValidRequestString(….)Step3: configure custom request validator in web.config<httpRuntime requestValidationType="Samples.MyValidator, Samples" />


Request Validation

DEMO


Session StateOut-Of-Proc Session State CompressionCompressed using GZIP - System.IO.Compression.GZipStream

<sessionState mode="SqlServer" sqlConnectionString="data source=dbserver;Initial Catalog=aspnetstate" allowCustomSqlDatabase="true" compressionEnabled="true" />


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


Output CachingCache the response (output) in memory previouslyHigh memory footprint in case of applications with heavy trafficAsp.Net 4.0 provides features to write custom output cache providersCan use any storage mechanism to store HTML content


Output cacheCreate Custom output cache provider by inheriting from System.Web.Caching.OutputCacheProviderConfigure the provider in the providers section of the web.config


Output Caching

DEMO


URL limitPreviously 260 character limit.Extend this character limit in Asp.net 4.0 by config<httpRuntime maxRequestPathLength="260" maxQueryStringLength="2048" /> requestPathInvalidChars - Configure the set of valid characters in the url<httpRuntime requestPathInvalidChars="<,>,*,%,&,:,\,?" />


Other featuresCustom Encoders

encoderType in <httpruntime> elementObject caching

Features of Asp.Net cache brought to other non web applications

RedirectPermanent(..) – HTTP 301


ReferencesAsp.Nethttp://www.asp.net/


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asp.net 4.0 core runtime enhancements

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