Re: Large program support

From: Basim Chafik (basimc@INVERA.COM)
Date: Wed Jul 31 2002 - 09:02:59 EDT


Change the RSS entry in the /etc/security/limits for the user that running
the application. (-1) means unlimited

Basim Chafik

Senior Technology Consultant
IBM Certified Advanced Technical Expert - RS/6000 AIX
Invera Inc.

-----Original Message-----
From: Mike Whorley [mailto:Mike.Whorley@CODA.COM]
Sent: Wednesday, July 31, 2002 8:00 AM
To: aix-l@Princeton.EDU
Subject: Large program support

All,

I have a tricky problem whereby an application is falling over because it
cannot allocate enough memory. No exact details at the moment as the issue
is at a remote site

The financials application is trying to run a year end and we believe it
needs to allocate about 1.2Gb of memory. It seems that AIX has a memory
threshold and indeed we have proved this to be the case in the past whereby
our application fell over trying to allocate more than 256Mb then later
512Mb.

I don't have exact information at this stage but I believe the AIX level to
be 4.3.3 and the physical memory to be 2Gb.

Does anyone have any knowledge on how we can allow the application to access
at least 1.2Gb ? I'm assuming the O/S is set to only allow 1Gb at this level
of AIX.

Any advice would be greatly appreciated as this is causing us some big
headaches at the moment.

TIA,

Mike.



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