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HomeHomeDevelopment and...Development and...Building ExtensionsBuilding ExtensionsModulesModulesshared variables vs dnn (asp.net) cacheshared variables vs dnn (asp.net) cache
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3/7/2015 9:41 PM
 
What's the point of asp.net /dnn cache when you can save shared info as global variables in shared classes? Because you need to know that variables in user controls get cleared on every postback, but variables in shared classes persist.

Shared variables are better because 1. they would be a little faster than cache because cache needs to lookup dictionary. 2. they are more readable, easier to use

Am I missing something? Is there some trick with portals? if 2 portals use my module, will values in shared class variables be different in portals and same in cache?
 
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3/7/2015 10:47 PM
 
I did some research and found out thread safety and memory could be problem (cache can save data to disk if it gets to big i guess). but if variable is small and readonly shared variables are ok. as long as you do lock(SharedVar) (C#) when you are assigning value to your shared variable.
 
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3/8/2015 7:22 AM
 

 

Hi asp.net / dnn cache is designed to contain more data then variables.

If include also dependecy mechanisme, for clearing cache part when the cache becaumes to big or when the cache becaumes invalid (depending on time delais, file changes, ...).

 
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HomeHomeDevelopment and...Development and...Building ExtensionsBuilding ExtensionsModulesModulesshared variables vs dnn (asp.net) cacheshared variables vs dnn (asp.net) cache


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