Is there an interface or events in the system that occurs pre and post
garbage collection that one of my objects can attach to? I need to know in
my application when garbage collection is about to take place and when it
has completed. This is to make sure a system critical event does not happen
while the application is frozen, if it freezes for longer than 2 seconds.
Thanks!
3  1886 
Hi Bob
No, there are no GC events you can monitor to find out when a GC will occur or has occurred.
What kind of critical event are you concerned out?
Thanks
-Chris
-------------------- From: "Bob" <rv@b.com>
Subject: System GC interface or events?
Date: Mon, 19 Jan 2004 08:40:18 -0800
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Is there an interface or events in the system that occurs pre and post
garbage collection that one of my objects can attach to? I need to know in
my application when garbage collection is about to take place and when it
has completed. This is to make sure a system critical event does not happen
while the application is frozen, if it freezes for longer than 2 seconds.
Thanks!
--
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There are some in our group that are afraid that .NET will freeze the
application for up to 15 seconds doing garbage collection when the system
must respond within 1 second of a button press. From the analysis I have
done to date, I don't see that happening. I'm just trying to come up with
anything that would appease their concerns.
Thanks!
""Chris Lyon [MSFT]"" <cl***@online.m icrosoft.com> wrote in message
news:gY******** ******@cpmsftng xa07.phx.gbl... Hi Bob
No, there are no GC events you can monitor to find out when a GC will
occur or has occurred.
What kind of critical event are you concerned out?
Thanks
-Chris
--------------------From: "Bob" <rv@b.com>
Subject: System GC interface or events?
Date: Mon, 19 Jan 2004 08:40:18 -0800
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Is there an interface or events in the system that occurs pre and post
garbage collection that one of my objects can attach to? I need to know
inmy application when garbage collection is about to take place and when it
has completed. This is to make sure a system critical event does not
happenwhile the application is frozen, if it freezes for longer than 2 seconds.
Thanks!
--
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Hi Bob
There is no reason to expect a delay like that. There are ways to minimize collection delay times when designing an interactive managed application. For example:
-avoid using finalizers. Objects in the finalization queue tend to hang around longer and require more overhead when collecting
-avoid forcing generation 2 collections by calling GC.Collect(). Gen2 collections are expensive performance-wise.
-if possible, use concurrent GC (on multi-proc machines). This setting allows generation 2 collections to occur while the program is running
See these articles for more information: http://msdn.microsoft.com/library/de...anagedcode.asp http://msdn.microsoft.com/library/de...etgcbasics.asp http://weblogs.asp.net/ricom/archive.../02/40782.aspx (or any other posts by Rico).
You might also want to monitor the microsoft.publi c.dotnet.framew ork.performance newsgroup.
If you have any other questions, let me know
Thanks
-Chris
-------------------- From: "Bob" <rv@b.com>
References: <O$************ **@tk2msftngp13 .phx.gbl> <gY************ **@cpmsftngxa07 .phx.gbl>
Subject: Re: System GC interface or events?
Date: Mon, 19 Jan 2004 17:34:28 -0800
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There are some in our group that are afraid that .NET will freeze the
application for up to 15 seconds doing garbage collection when the system
must respond within 1 second of a button press. From the analysis I have
done to date, I don't see that happening. I'm just trying to come up with
anything that would appease their concerns.
Thanks!
""Chris Lyon [MSFT]"" <cl***@online.m icrosoft.com> wrote in message
news:gY******* *******@cpmsftn gxa07.phx.gbl.. . Hi Bob
No, there are no GC events you can monitor to find out when a GC will
occur or has occurred.
What kind of critical event are you concerned out?
Thanks
-Chris
-------------------- >From: "Bob" <rv@b.com>
>Subject: System GC interface or events?
>Date: Mon, 19 Jan 2004 08:40:18 -0800
>Lines: 8
>X-Priority: 3
>X-MSMail-Priority: Normal
>X-Newsreader: Microsoft Outlook Express 6.00.2800.1158
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>Message-ID: <O$************ **@tk2msftngp13 .phx.gbl>
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>X-Tomcat-NG: microsoft.publi c.dotnet.genera l
>
>Is there an interface or events in the system that occurs pre and post
>garbage collection that one of my objects can attach to? I need to knowin >my application when garbage collection is about to take place and when it
>has completed. This is to make sure a system critical event does nothappen >while the application is frozen, if it freezes for longer than 2 seconds.
>Thanks!
>
>
>
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my application when garbage collection is about to take place and when it
has completed. This is to make sure a system critical event does not happen
while the application is frozen, if it freezes for longer than 2 seconds.
Thanks!
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