Different types of caching & Web farm and Web Garden concept in ASP.NET
Caching is a technique of persisting the data in memory for immediate access to requesting program calls. This is considered as the best way to enhance the performance of the application.
Caching is of 3 types:
Output Caching - Caches the whole page.
Fragment Caching - Caches a part of the page
Data Caching - Caches the data
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A web farm is a multi-server scenario. So we may have a server in each state of US. If the load on one server is in excess then the other servers step in to bear the brunt.
How they bear it is based on various models.
How they bear it is based on various models.
1. RoundRobin. (All servers share load equally)
2. NLB (economical)
3. HLB (expensive but can scale up to 8192 servers)
4. Hybrid (of 2 and 3).
5. CLB (Component load balancer).
A web garden is a multi-processor setup. i.e. a single server (not like the multi server above).
How to implement webfarms in .Net:
Go to web.config and
Here for mode you have 4 options.
How to implement webfarms in .Net:
Go to web.config and
Here for mode you have 4 options.
a) Say mode inproc (non web farm but fast when you have very few customers).
b) Say mode StateServer (for webfarm)
c) Say mode SqlServer (for webfarm)
Whether to use option b or c depends on situation. StateServer is faster but SqlServer is more reliable and used for mission critical applications.
How to use webgardens in .Net:
Go to web.config and
Change the false to true. You have one more attribute that is related to webgarden in the same tag called cpuMask.
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