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.Net app using whole memory available
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Marcin Ochocki  
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 More options Oct 24, 5:12 am
Newsgroups: microsoft.public.dotnet.framework
From: Marcin Ochocki <ocho...@gmail.com>
Date: Fri, 23 Oct 2009 12:12:51 -0700 (PDT)
Local: Sat, Oct 24 2009 5:12 am
Subject: .Net app using whole memory available
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Hi,

I have a heterogeneous application: a win32 app hosting .net service.
Under a heavy load the .net part is consuming 100% of available
memory. Of course after a moment GC runs and situation goes back to
normal. But during this few seconds other apps running on this machine
are experiencing problems.

The question is: can I configure .net application by setting maximum
of memory it can use? For example I'd like the application to use max
80% of available memory and when it will happen, the GC should do it's
work.

thanx
M.


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Gregory A. Beamer  
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 More options Oct 27, 3:57 am
Newsgroups: microsoft.public.dotnet.framework
From: "Gregory A. Beamer" <NoSpamMgbwo...@comcast.netNoSpamM>
Date: Mon, 26 Oct 2009 09:57:48 -0700
Local: Tues, Oct 27 2009 3:57 am
Subject: Re: .Net app using whole memory available
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Marcin Ochocki <ocho...@gmail.com> wrote in news:61fed606-d299-4c3b-b6cd-
58d664a08...@d4g2000vbm.googlegroups.com:

> I have a heterogeneous application: a win32 app hosting .net service.
> Under a heavy load the .net part is consuming 100% of available
> memory. Of course after a moment GC runs and situation goes back to
> normal. But during this few seconds other apps running on this machine
> are experiencing problems.

> The question is: can I configure .net application by setting maximum
> of memory it can use? For example I'd like the application to use max
> 80% of available memory and when it will happen, the GC should do it's
> work.

The only ways I know of is hosting the .NET bits in IIS or possibly COM+
(Enterprise Service). You can then throttle the memory. This gives me a
TODO of checking if 4.0 has any provisions for this, however. ;-)

Peace and Grace,

--
Gregory A. Beamer
MVP; MCP: +I, SE, SD, DBA

Twitter: @gbworld
Blog: http://gregorybeamer.spaces.live.com

*******************************************
|      Think outside the box!             |
*******************************************


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Patrice  
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 More options Oct 27, 5:01 am
Newsgroups: microsoft.public.dotnet.framework
From: "Patrice" <http://scribe-en.blogspot.com/>
Date: Mon, 26 Oct 2009 19:01:12 +0100
Local: Tues, Oct 27 2009 5:01 am
Subject: Re: .Net app using whole memory available
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> The question is: can I configure .net application by setting maximum
> of memory it can use? For example I'd like the application to use max
> 80% of available memory and when it will happen, the GC should do it's
> work.

Try perhaps :
http://msdn.microsoft.com/en-us/library/system.gc.addmemorypressure.aspx.

It allows to add an "unmanaged memory pressure" to the GC. It could help to
trigger GC earlier (never tried myself).

--
Patrice


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