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Date:      Tue, 31 Oct 2006 18:43:08 +0100
From:      Per olof Ljungmark <peo@intersonic.se>
To:        Bill Moran <wmoran@collaborativefusion.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: help increase process/kernel memory please
Message-ID:  <45478B2C.10708@intersonic.se>
In-Reply-To: <20061031112939.36cbc714.wmoran@collaborativefusion.com>
References:  <45476E4E.4050107@intersonic.se> <20061031112939.36cbc714.wmoran@collaborativefusion.com>

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Bill Moran wrote:
>> I'm running a Perl app that need lots of memory and I would like to make 
>> around 2G available to it, the box has 4G physical RAM.
>>
>> Which knob(s) should be tweaked? System is running 6-STABLE from around 
>> 1st of October.
>>
>> This is what I see when the process exits:
>> Out of memory during "large" request for 528384 bytes, total sbrk() is 
>> 536416256 bytes
>>
>> I'm depending on a solution to this and would be a really happy person 
>> if someone could please guide me.
> 
> What does 'ulimit -a' as the user running the process say?
> 
> If the problem is apparent there, the associated docs should help.
> 
Hmmm, ulimit is a sh command, I was using tcsh. The below is after the 
advise from Tom Judge to set "kern.maxdsiz="1610612736". I will try from 
here, thanks.

$ ulimit -a
cpu time               (seconds, -t)  unlimited
file size           (512-blocks, -f)  unlimited
data seg size           (kbytes, -d)  1572864
stack size              (kbytes, -s)  65536
core file size      (512-blocks, -c)  unlimited
max memory size         (kbytes, -m)  unlimited
locked memory           (kbytes, -l)  unlimited
max user processes              (-u)  5547
open files                      (-n)  11095
virtual mem size        (kbytes, -v)  unlimited
sbsize                   (bytes, -b)  unlimited



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