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Date:      Fri, 8 Dec 2000 14:38:17 +0100
From:      "William Carlsson - Teligent Nordic, AB - Sweden" <wille@teligent.se>
To:        "Peter Pentchev" <roam@orbitel.bg>
Cc:        <freebsd-hackers@FreeBSD.ORG>
Subject:   RE: Shared Memory
Message-ID:  <NEBBKDKPGLOJMLMCBOBLGEFHCHAA.wille@teligent.se>
In-Reply-To: <20001208145959.C451@ringworld.oblivion.bg>

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FreeBSD 4+

I had something like 8192 processes in mind and same goes for max open files

I'd like 256M shared memory...



----------------------------------------------------
William Carlsson
 Second Line Support

Teligent Nordic AB
 P.O. Box 213
 S-149 21 Nynäshamn
 SWEDEN

Telephone: +46 - 8 - 59 99 11 92

eMail: william.carlsson@teligent.se
http://www.teligent.se
----------------------------------------------------
"And then it comes to be that the soothing light
   at the end of your tunnel was just a freight
            train, comin' your way."



-----Original Message-----
From: Peter Pentchev [mailto:roam@orbitel.bg]
Sent: den 8 december 2000 14:00
To: william.carlsson@teligent.se
Cc: Mikko Tyolajarvi; freebsd-hackers@FreeBSD.ORG
Subject: Re: Shared Memory


On Fri, Dec 08, 2000 at 01:01:16PM +0100, William Carlsson - Teligent
Nordic, AB - Sweden wrote:
> Isn't all kern.* read only?
> Seems like it can't be changed more than it's in theory changeable
>
> Something like the maximum nuber of files and processes, that is suposed
to
> be
> soft configurable in login.conf (doesn't work either)
>
> ,D Does anything work in FreeBSD? ,D

Uhm.. what version of FreeBSD do you have in mind?  On a 4.2 I have..

[roam@ringworld:v2 ~]$ limits | fgrep maxproc
  maxprocesses          256
[roam@ringworld:v2 ~]$

On another console:

[root@ringworld:v0 /etc]# perl -pi -e 's/maxproc=256/maxproc=512/'
login.conf
[root@ringworld:v0 /etc]#

Logout and re-login on the first one:

[roam@ringworld:v2 ~]$ limits | fgrep maxproc
  maxprocesses          512
[roam@ringworld:v2 ~]$

Feels quite changeable to me :)

And btw - no, almost none of the kern.* sysctls are read-only.

[root@ringworld:v0 /etc]# sysctl kern.coredump kern.corefile kern.syncdelay
ker
n.consmute
kern.coredump: 1
kern.corefile: %N.core
kern.syncdelay: 30
kern.consmute: 0
[root@ringworld:v0 /etc]# sysctl -w kern.coredump=0 kern.corefile='%N.CORE'
ker
n.syncdelay=100 kern.consmute=1
kern.coredump: 1 -> 0
kern.corefile: %N.core -> %N.CORE
kern.syncdelay: 30 -> 100
kern.consmute: 0 -> 1
[root@ringworld:v0 /etc]#

..to name an (almost) random sample :)

G'luck,
Peter

--
This would easier understand fewer had omitted.



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