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Date:	Thu, 04 Jan 2001 10:33:00 -0500
To:	"Rist, Mark J." <mark_j_rist AT md DOT northgrum DOT com>,
	"'cygwin AT cygwin DOT com'" <cygwin AT cygwin DOT com>
From:	"Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject:	Re: Using large memory segments with a telnet session
In-Reply-To:	<C12E8508FB1BD211BDFD00A0C9C75B6102296C61@xcgal005.al.essd.
	northgrum.com>
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At 09:53 AM 1/4/2001, Rist, Mark J. wrote:
>Thanks to the archive of this mailing list, I have discovered that you can 
>use large memory segments with cygwin by modifying the registry key:
>
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin
>
>and adding the value heap_chunk_in_mb (DWORD set to max memory amount).
>
>The problem that I am having is that I am logged into a machine via telnet
>using 
>the inetutils. It appears that the registry setting is ignored for telnet
>sessions. So 
>I can't run large memory programs when logged in remotely.
>
>The problem may be exaggerated by the fact that I am using roaming profiles 
>and the registry for the user I am logging in as is stored remotely.
>
>I have tried several things to no avail:
>1. Setting HKLM\Software\Cygnus Solutions\Cygwin\heap_chunk_in_mb
>I thought this might work since system wide mount points seem to be working
>and these are set under HKLM. Didn't work.


Right.  The code in registry.cc shows that only HKEY_CURRENT_USER is 
consulted.


>2. Setting HKCU\Software\Cygnus Solutions\Cygwin\heap_chunk_in_mb for the
>user running the inetd service. Nope.
>
>I am running out of ideas. I am fairly sure that I can recompile the
>cygwin1.dll and 
>change the default heap size to get around this problem, but I would prefer
>to
>handle this as a configuration so that I don't have to recompile for every
>release.

>Any ideas?


You could fix it at the source!;-)


>Thanks
>
>P.S. Why is the default 128 Mb? This seems ridiculously small.


You think that's small?  It used to be smaller!



Larry Hall                              lhall AT rfk DOT com
RFK Partners, Inc.                      http://www.rfk.com
118 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX



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