mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Al Boldi <a1426z@gawab.com>
To: Rik van Riel <riel@redhat.com>, Neil Horman <nhorman@tuxdriver.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Resource limits
Date: Mon, 26 Sep 2005 17:18:17 +0300	[thread overview]
Message-ID: <200509261718.17658.a1426z@gawab.com> (raw)
In-Reply-To: <Pine.LNX.4.63.0509252335560.28108@cuia.boston.redhat.com>

Rik van Riel wrote:
> On Sun, 25 Sep 2005, Al Boldi wrote:
> > Resource limits in Linux, when available, are currently very limited.
> >
> > i.e.:
> > Too many process forks and your system may crash.
> > This can be capped with threads-max, but may lead you into a lock-out.
> >
> > What is needed is a soft, hard, and a special emergency limit that would
> > allow you to use the resource for a limited time to circumvent a
> > lock-out.
> >
> > Would this be difficult to implement?
>
> How would you reclaim the resource after that limited time is
> over ?  Kill processes?

That's one way,  but really, the issue needs some deep thought.
Leaving Linux exposed to a lock-out is rather frightening.

Neil Horman wrote:
> Whats insufficient about the per-user limits that can be imposed by the
> ulimit syscall?

Are they system wide or per-user?

--
Al


  reply	other threads:[~2005-09-26 14:45 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-25 14:12 Al Boldi
2005-09-26  3:36 ` Rik van Riel
2005-09-26 14:18   ` Al Boldi [this message]
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
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200509261718.17658.a1426z@gawab.com \
    --to=a1426z@gawab.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=nhorman@tuxdriver.com \
    --cc=riel@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®