virtual techdaysCaching Enhancement in ASP.NET 4.0 Abhijit Jana
Consultant, Microsoft http://abhijitjana.net
INDIA 9-11 February 2011
virtual techdaysSESSION AGENDA ASP.NET Caching Quick Tour Data /
Object Caching Output Caching Page Caching Fragment Caching
INDIA 9-11 February 2011
New Object Caching Option System.Runtime.Caching
Output Cache Provider in ASP.NET 4.0 Internals of Output Cache
Provider Creating Custom Cache Providers Limitation
Selecting Cache Provider on the fly
virtual techdaysASP.NET Caching Quick Tour Basic of ASP.NET
Caching Caching is a technique where frequently used data and Web
pages can stored temporarily. Its a great feature that reduces
network latency and It can improve application's performance
considerably. ASP.NET Caching Data / Object Caching Output Caching
Page Output Caching Fragment Caching
INDIA 9-11 February 2011
virtual techdaysASP.NET Caching Quick Tour ASP.NET Caching is
Implemented as HTTPModule Cache Module Listens to all the incoming
Request OutputCacheModule listens to ResolveRquestCache and
UpdateRequestCache Based on the events modules returns the Cached
HTML content or moving forward to Page Handler Cache can have
Dependencies File based dependencies Time Based dependencies
INDIA 9-11 February 2011
BeginRequest Event AuthenticateRequest Event AuthorizeRequest
Event ResolveRequestCache Event Map Request Handler
AcquireRequestState Event
virtual techdays
INDIA 9-11 February 2011 ASP.NET Data Object Caching
Request For Information
Request For Information
Cached Data
virtual techdays
INDIA 9-11 February 2011 New Object Caching API in ASP.NET
4.0
ASP.NET in-memory object cache (System.Web.Caching.Cache) with
help of System.Web.dll Same Cache Object Can be used for Win Forms
, WPF based application with reference of System.Web.dll .NET
Framework 4 introduces a new assembly System.Runtime.Caching.dll
The Assembly contains a new caching API in the
System.Runtime.Caching namespace. The new API mainly based on
concrete in-memory object cache implementation
(System.Runtime.Caching.MemoryCache class). Win forms, WPF based
application can use Caching with just help of
System.Runtime.Caching.dll . So, no need to load System.web.dll for
non web applications.
virtual techdays
INDIA 22-24 November 2010
DEMO: New Object Caching API in ASP.NET 4.0 Abhijit Jana
Consultant, Microsoft
virtual techdaysASP.NET Output Caching
INDIA 9-11 February 2011
Caches rendered markup of an ASP.NET page Caches Complete
Rendered Markup Caches Partial Markup Caching Substitution Output
caching can be configured based on duration, params Cached version
of the page can be sent in response without running the page
MSIL
virtual techdaysResponse
INDIA 9-11 February 2011 ASP.NET Output Caching ContinueASPX
Content
Request Response
Cached Content
Request Clients Web Server
virtual techdays1
INDIA 9-11 February 2011 ASP.NET Output Caching Deep Dive26 Page
Class Instance Cached Version1. 2. Full Page Cache Partial Page
Cache
7
3
ASPX Page Handler
ASP.NET Page
4
ASP.NET Engine
5
virtual techdays
INDIA 9-11 February 2011 ASP.NET Custom Output Cache
Provider
Output Caches Stored In Memory Extending ASP.NET Output Caching
Custom Cache Provider Implements OutputCacheProvider Add() , Get(),
Remove(), Set() Can be store File System, DB, In Memory, Cloud
Cache Provider
virtual techdays
INDIA 22-24 November 2010
DEMO: Creating Custom Output Cache Provider Abhijit Jana
Consultant, Microsoft
virtual techdaysLimitations
INDIA 9-11 February 2011
Supported File dependencies but no custom dependencies. Custom
Cache providers only supports Absolute expiration . There is no
supports for sliding expiration.
virtual techdays
INDIA 9-11 February 2011 Selecting Cache Provider On the Fly
If you have multiple Cache Provider you can select any of the at
runtime based on your requirements. Can set default Provider. Disk
Cache Provider Get Cache Provider
Database Cache Provider In Memory Cache ( Default Provider )
virtual techdays
INDIA 22-24 November 2010
DEMO: Dynamically Output Cache Provider Selection Abhijit Jana
Consultant, Microsoft
virtual techdaysSummarize
INDIA 9-11 February 2011
Caching is a technique where frequently used data and Web pages
can stored temporarily. ASP.NET having Data Caching and Output
Caching with Cache Dependency .NET 4.0 Introduce new Object Caching
for ASP.NET 4.0 Using System.Runtime.Caching Internal of Output
Caching in ASP.NET Creating Custom Cache Provider using
OutputCacheProvider Select Cache Provider on the Fly
virtual techdaysResource Microsoft ASP.NET 4 Core Runtime for
Web Developers Scaling Your Data Tier with Windows Server AppFabric
http://msdn.microsoft.com/en-us/library/dd997357.aspx
http://msdn.microsoft.com/enus/library/system.runtime.caching.memorycache.aspx
INDIA 9-11 February 2011
THANKS 9-11 February 2011
virtual techdaysThank [email protected]
http://abhijitjana.net @AbhijitJana
