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From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] protection against resource exhaustion
Date: Mon, 26 Jan 2015 20:13:31 -0800	[thread overview]
Message-ID: <528d08272b03179d5df28033fcd6f89b@brasstown.quanstro.net> (raw)
In-Reply-To: <FDB3FA79-521C-4BEE-97E8-2F7362051A60@orthanc.ca>

> > many of resource exhaustion come from careless programming.
> > I would like such processes to be killed immediately.
> > throwing up to broken state might be better.
> > I prefer an option to plan9.ini that enable resrcwait(), because the call breaks
> > traditional programming style and probably we need more time to have
> > right solution.
>
> Not plan9.ini, as that's intel specific.  But perhaps a global runtime switch to turn this on and off (something under /dev/cpu*?), and a corresponding switch in the /proc/*/ctl interface that would let individual processes say what's best for them?

plan9.ini is used by all my machines that pxe boot, though the name is
changed to /cfg/pxe/$ea.  there are other config mechanisms, but they
all rely on bootstrapping variables into #ec.  we don't need to invent
a new mechanism, even if we do not use plan9.ini.

- erik



  reply	other threads:[~2015-01-27  4:13 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-25  6:16 arisawa
2015-01-25  6:59 ` mischief
2015-01-25 17:41   ` erik quanstrom
2015-01-26 11:47     ` arisawa
2015-01-26 12:46       ` cinap_lenrek
2015-01-26 14:13       ` erik quanstrom
2015-01-27  0:33         ` arisawa
2015-01-27  1:30           ` Lyndon Nerenberg
2015-01-27  4:13             ` erik quanstrom [this message]
2015-01-27  4:22           ` erik quanstrom
2015-01-27  7:03             ` arisawa
2015-01-27  7:10               ` Ori Bernstein
2015-01-27  7:15                 ` lucio
2015-01-27 14:05                 ` erik quanstrom
2015-01-27  7:12               ` lucio
2015-01-27 14:10               ` erik quanstrom
2015-01-28  0:10                 ` arisawa
2015-01-28  3:38                   ` erik quanstrom
2015-01-28  6:50                     ` arisawa
2015-01-28  7:22                       ` lucio
2015-01-28  7:48                       ` Quintile
2015-01-28 13:13                       ` cinap_lenrek
2015-01-28 14:03                         ` erik quanstrom
2015-01-28 14:09                           ` lucio
2015-01-28 14:14                             ` erik quanstrom
2015-01-28 14:53                               ` lucio
2015-01-28 17:02                                 ` Skip Tavakkolian
2015-01-28 14:16                       ` erik quanstrom
2015-01-28 17:28                       ` Charles Forsyth
2015-01-28 17:39                         ` cinap_lenrek
2015-01-28 18:51                           ` Charles Forsyth
2015-01-29  3:57                             ` arisawa
2015-01-29  6:34                               ` erik quanstrom
2015-01-29  6:42                         ` erik quanstrom
2015-01-29  8:11                           ` arisawa
2015-01-27 10:53             ` Charles Forsyth
2015-01-27 14:01               ` erik quanstrom
2015-01-25  9:04 ` arisawa
2015-01-25 11:06   ` Bence Fábián

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