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Asked: 2026-05-20T20:30:10+00:00

Is Server GC (gcServer flag in configuration) available in .Net 4.0? Or it was

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Is Server GC (gcServer flag in configuration) available in .Net 4.0? Or it was deprecated?

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  1. Editorial Team

    Yes, it’s (still available). No, it isn’t (deprecated).

    Why the question?

    A link on the argument http://architecturebyashwani.blogspot.com/2010/02/foreground-gc-and-background-gc.html

    There is even a new GC (background for workstation mode) in 4.0, so in the end there are three GC; server, workstation concurrent on, workstation concurrent off.

    The three settings for web.config/app.config are:

    <configuration> 
    <runtime> 
        <gcConcurrent enabled="false"/> 
<!-- or -->
        <gcConcurrent enabled="true"/> 
<!-- or -->
        <gcServer enabled="true"/> 
    </runtime> 
</configuration>

    The three or are “exclusive”. You can enable only ONE option at a time 🙂

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