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From: Roman Shaposhnik <rvs@sun.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] plan 9 overcommits memory?
Date: Thu,  6 Sep 2007 20:09:09 -0700	[thread overview]
Message-ID: <1189134549.6197.2.camel@ginkgo> (raw)
In-Reply-To: <13426df10709061238l1e081fel101928310c9db13c@mail.gmail.com>

On Thu, 2007-09-06 at 12:38 -0700, ron minnich wrote:
> On 9/6/07, Joel C. Salomon <joelcsalomon@gmail.com> wrote:
>
> > I can't imagine that either of these uses are nearly compelling enough
> > to open this can of worms....  Has anyone truly felt confined by Plan
> > 9's fork+exec model?
>
> yes, because exec takes a pathname. that's a pull model. That is
> pretty awful in a large machine. Define awful: ok, it's the difference
> between startup times of 3+ minutes, 400 nodes, vs. 3 seconds. That's
> awful.
>
> it's why we started doing xcpu in the first place: push the binary to
> a ram disk, then at least xcpu is pulling from a local place, not a
> network. But xcpu was a compromise: I really wanted to do a process
> creation device.

  Exposing an interface for process manipulation to userspace would be
quite cool. Any prototypes on Plan9 so far?

Thanks,
Roman.



  parent reply	other threads:[~2007-09-07  3:09 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-03  3:38 geoff
2007-09-03  5:35 ` Scott Schwartz
2007-09-03  6:05   ` Uriel
2007-09-03 13:33   ` erik quanstrom
2007-09-03 17:09     ` john
2007-09-03 17:17       ` Gorka Guardiola
2007-09-03 17:25         ` Francisco J Ballesteros
2007-09-03 17:30         ` john
2007-09-03 19:47           ` Charles Forsyth
2007-09-03 19:46         ` Uriel
2007-09-03 19:54           ` Charles Forsyth
2007-09-03 19:54             ` Uriel
2007-09-03 20:34               ` geoff
2007-09-03 20:16             ` erik quanstrom
2007-09-03 17:32       ` erik quanstrom
2007-09-03 17:39         ` Francisco J Ballesteros
2007-09-03 17:43         ` john
2007-09-03 17:45           ` john
2007-09-03 19:52             ` Charles Forsyth
2007-09-05  8:33         ` sqweek
2007-09-04  8:48       ` Douglas A. Gwyn
2007-09-03 18:13   ` geoff
2007-09-03 20:17     ` erik quanstrom
2007-09-03 20:48       ` geoff
2007-09-03 22:01         ` erik quanstrom
2007-09-03 22:43           ` Charles Forsyth
2007-09-03 23:51             ` erik quanstrom
2007-09-04  0:04               ` Charles Forsyth
2007-09-04 14:44                 ` erik quanstrom
2007-09-04 15:07                   ` Charles Forsyth
2007-09-04 15:18                     ` ron minnich
2007-09-04 15:18                     ` Charles Forsyth
2007-09-05  8:48                       ` Douglas A. Gwyn
2007-09-05 10:53                         ` erik quanstrom
2007-09-06  8:42                           ` Douglas A. Gwyn
2007-09-06 17:15                             ` Joel C. Salomon
2007-09-06 19:38                               ` ron minnich
2007-09-06 20:18                                 ` Charles Forsyth
2007-09-06 23:37                                 ` Steve Simon
2007-09-07  3:09                                 ` Roman Shaposhnik [this message]
2007-09-07  4:09                                   ` Bruce Ellis
2007-09-07  4:25                                     ` Lyndon Nerenberg
2007-09-07  4:37                                       ` Bruce Ellis
2007-09-07  4:43                                         ` Lyndon Nerenberg
2007-09-10 15:24                                         ` roger peppe
2007-09-07 10:55                                     ` erik quanstrom
2007-09-04 23:32                     ` erik quanstrom
2007-09-03 21:16       ` Charles Forsyth
2007-09-03 21:19         ` ron minnich
2007-09-03 21:41           ` Eric Van Hensbergen
2007-09-03 21:51           ` erik quanstrom
2007-09-03 13:21 ` erik quanstrom
2007-09-03 14:01   ` Sape Mullender
2007-09-03 14:32     ` erik quanstrom
2007-09-03 15:28       ` Sape Mullender
2007-09-04  4:32         ` lucio
2007-09-04  7:23 ` Dave Eckhardt
2007-09-04  8:48 ` Douglas A. Gwyn
  -- strict thread matches above, loose matches on Subject: below --
2007-08-31 11:41 erik quanstrom
2007-09-02 21:27 ` Russ Cox
2007-09-03  0:43   ` erik quanstrom
2007-09-04  8:47     ` Douglas A. Gwyn
2007-09-04 13:39       ` David Leimbach
2007-09-04 14:41         ` erik quanstrom
2007-09-04 15:54           ` David Leimbach
2007-09-04 17:37     ` sqweek
2007-09-04 18:10       ` ron minnich
2007-09-04 18:53         ` sqweek
2007-09-03  1:23   ` Scott Schwartz
2007-09-03  1:47     ` ron minnich
2007-09-03  2:11       ` erik quanstrom
2007-09-03  2:11       ` erik quanstrom
2007-09-04  8:48         ` Douglas A. Gwyn
2007-09-03  5:28       ` Scott Schwartz

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