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Re: available memory on fischer



Greetings, and thanks for your reply!

Peter Palfrader <weasel@debian.org> writes:

> On Mon, 26 Aug 2013, Camm Maguire wrote:
>
>> Greetings!  I seem to be able to allocate 1Gb of memory on all porter
>> machines but fischer, which will give me 500M.  The machine appears to
>> have more, but brk will fail past this point.  This persists if I use a
>> linker script to raise the .text and .data addresses over the congested
>> default region.  I'm wondering if there is a per process limit
>> somewhere.  In any case, recent acl2 requires about 1Gb to build.  Can
>> this be fixed in someway, or is there an alternative?
>
> You'll have to ask the porters.  As far as I can tell the system has 3
> gigs of real memory and 500m of swap.  That should be sufficient for
> your needs and if it isn't I would think that's a platform issue.

I've been told that the following needs executing to make this memory
available to brk:

> You first have to raise system wide limit
> and after that eventually local limit by i.e.:
> 
>   sysctl kern.maxdsiz=1887436800
>   ulimit -H -d  1887436800
>   ulimit -S -d  1887436800

Would this be possible on fischer/autobuilder machines for kf-i386?

Take care,
-- 
Camm Maguire			     		    camm@maguirefamily.org
==========================================================================
"The earth is but one country, and mankind its citizens."  --  Baha'u'llah


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