From: Coywolf Qi Hunt <coywolf@gmail.com>
To: Roger Heflin <rheflin@atipa.com>
Cc: Al Boldi <a1426z@gawab.com>, linux-kernel@vger.kernel.org
Subject: Re: Resource limits
Date: Tue, 27 Sep 2005 11:50:13 +0800 [thread overview]
Message-ID: <2cd57c9005092620504c269a45@mail.gmail.com> (raw)
In-Reply-To: <EXCHG2003ogxLDp7mvj00000ae4@EXCHG2003.microtech-ks.com>
On 9/26/05, Roger Heflin <rheflin@atipa.com> wrote:
>
> While talking about limits, one of my customers report that if
> they set "ulimit -d" to be say 8GB, and then a program goes and
> attempts to allocate 16GB (in one shot), that the process will
> hang on the 16GB allocate as the machine does not have enough
> memory+swap to handle this, the process is at this time unkillable,
> the customers method to kill the process is to send the process
> a kill signal, and then create enough swap to be able to meet
> the request, after the request is filled the process terminates.
>
> It would seem that the best thing to do would be to abort on
> allocates that will by themselves exceed the limit.
>
> This was a custom version of a earlier version of the 2.6 kernel,
> I would bet that this has not changed in quite a while.
>
> Roger
It's simple. Set /proc/sys/vm/overcommit_memory to 2 (iirc) to get
arround this `bug' .
--
Coywolf Qi Hunt
http://sosdg.org/~coywolf/
next prev parent reply other threads:[~2005-09-27 3:50 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-25 14:12 Resource limits Al Boldi
2005-09-26 3:36 ` Rik van Riel
2005-09-26 14:18 ` Al Boldi
2005-09-26 15:56 ` Neil Horman
2005-09-26 17:32 ` Al Boldi
2005-09-26 17:51 ` Neil Horman
2005-09-26 20:26 ` Al Boldi
2005-09-27 1:05 ` Neil Horman
2005-09-27 5:08 ` Al Boldi
2005-09-27 12:08 ` Neil Horman
2005-09-27 13:42 ` Al Boldi
2005-09-27 14:36 ` Neil Horman
2005-09-27 15:50 ` Al Boldi
2005-09-27 17:25 ` Neil Horman
2005-09-27 21:35 ` Chandra Seetharaman
2005-09-26 12:28 ` Neil Horman
2005-09-26 14:44 ` Roger Heflin
2005-09-26 17:11 ` Alan Cox
2005-09-26 17:32 ` Al Boldi
2005-09-26 21:21 ` Roger Heflin
2005-09-27 3:50 ` Coywolf Qi Hunt [this message]
2005-09-26 19:07 ` Matthew Helsley
-- strict thread matches above, loose matches on Subject: below --
2002-10-24 12:13 Frank Cornelis
2002-10-24 16:46 ` Randolph Bentson
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