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Asked: 2026-05-26T02:36:37+00:00

In my current asp.net application, i’m storing the session variables in the SQL server

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In my current asp.net application, i’m storing the session variables in the SQL server. If you specify InProc, then the session is kept in the server memory, but for out of proc (in my case), the session is kept in SQL server.

Is this really true? From what I read, with every request that needs session access (basically every page request) will deserialize the session from db and save it back once the request completes. This means that the values will be kept on the web server once it is retreived. How is this different from the InProc then?

For Out of Proc, does it only retreive the one session variable when that is requested for? Otherwise, it sounds to me like it is the same as InProc. What am I missing.

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  1. Editorial Team

    Is this really true?

    Yes, it’s true.

    From what I read, with every request that needs session access
    (basically every page request) will deserialize the session from db
    and save it back once the request completes. This means that the
    values will be kept on the web server once it is retreived. How is
    this different from the InProc then?

    Values are stored in memory only for the duration of the HTTP request. In the beginning of the request they are loaded from SQL Server and at the end of the request they are saved into SQL Server. This is different than InProc where values are kept into memory between requests. And because different requests (from the same user) could be served by different nodes in your server farm, using SQL Server guarantees that all nodes of the farm will share the same session values.

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