[Debian] Re: Vswap config in Debian Squeeze

Kir Kolyshkin kir at openvz.org
Sun Aug 7 17:07:03 EDT 2011


VSwap is only supported by RHEL6-based kernel, which is not the same as 
2.6.32-based used by Debian.

We are planning to build deb packages of our RHEL6-based kernel (or 
convert binary rpms to debs). No ETA though.

On 08/07/2011 03:23 PM, Ola Lundqvist wrote:
> Privet Aleksandr
>
> On Sat, Aug 06, 2011 at 08:08:17PM -0700, Aleksandr Levchuk wrote:
>>     Hi Ola,
>>     Thank you!
>>     I'm only interested in the human config values K,M,G,...
>>     and the "unlimited" keyword.
> The unlimited keyword is supported. It exists in ve-unlimited.conf sample file.
> It is also documented in vzctl man page. See man vzctl, section Resource limits.
>
> And as you can see from the man page also the human K,M,G is also supported.
>
> But was that really the original question? I thought you asked about vswap
> support? It is not the same thing.
>
> The only thing I can find in vzctl about swap is swappages and that is not
> vswap as far as I can tell.
>
> Best regards,
>
> // Ola
>
>>     (as shown in my example config)
>>     Alex
>>     On Saturday, August 6, 2011, Ola Lundqvist<[1]ola at inguza.com>  wrote:
>>     >  Hi Alexksandr
>>     >
>>     >  Do you mean the kernel or the vzctl software? From what I can tell it
>>     is
>>     >  only supported by RHEL6 based kernel, but I may be wrong here.
>>     >
>>     >  When I read about vswap I do not really understand the use of it.
>>     >
>>     >  In any case, I'm cc:ing the openvz debian list to see if anyone there
>>     >  knows.
>>     >
>>     >  // Ola
>>     >
>>     >  On Fri, Aug 05, 2011 at 03:14:21PM -0700, Aleksandr Levchuk wrote:
>>     >>  Dear Ola,
>>     >>
>>     >>  Does Debian Squeeze support the Vswap configs?
>>     >>
>>     >>  For example: ve-vswap-512m.conf-sample
>>     >>
>>     >>
>>     >>  ===========================
>>     >>  #  Copyright (C) 2000-2011, Parallels, Inc. All rights reserved.
>>     >>  #
>>     >>  #  This program is free software; you can redistribute it and/or
>>     modify
>>     >>  #  it under the terms of the GNU General Public License as published
>>     by
>>     >>  #  the Free Software Foundation; either version 2 of the License, or
>>     >>  #  (at your option) any later version.
>>     >>  #
>>     >>  #  This program is distributed in the hope that it will be useful,
>>     >>  #  but WITHOUT ANY WARRANTY; without even the implied warranty of
>>     >>  #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>>     >>  #  GNU General Public License for more details.
>>     >>  #
>>     >>  #  You should have received a copy of the GNU General Public License
>>     >>  #  along with this program; if not, write to the Free Software
>>     >>  #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
>>     02111-1307  USA
>>     >>  #
>>     >>
>>     >>  # This config is valid for VSwap-enabled kernel (which currently
>>     means
>>     >>  # any RHEL6-based kernel, i.e. 042test* or 042stab*).
>>     >>
>>     >>  # UBC parameters (in form of barrier:limit)
>>     >>  PHYSPAGES="0:512M"
>>     >>  SWAPPAGES="0:1G"
>>     >>  KMEMSIZE="233M:256M"
>>     >>  LOCKEDPAGES="256M"
>>     >>  PRIVVMPAGES="unlimited"
>>     >>  SHMPAGES="unlimited"
>>     >>  NUMPROC="unlimited"
>>     >>  VMGUARPAGES="0:unlimited"
>>     >>  OOMGUARPAGES="0:unlimited"
>>     >>  NUMTCPSOCK="unlimited"
>>     >>  NUMFLOCK="unlimited"
>>     >>  NUMPTY="unlimited"
>>     >>  NUMSIGINFO="unlimited"
>>     >>  TCPSNDBUF="unlimited"
>>     >>  TCPRCVBUF="unlimited"
>>     >>  OTHERSOCKBUF="unlimited"
>>     >>  DGRAMRCVBUF="unlimited"
>>     >>  NUMOTHERSOCK="unlimited"
>>     >>  DCACHESIZE="unlimited"
>>     >>  NUMFILE="unlimited"
>>     >>  NUMIPTENT="unlimited"
>>     >>
>>     >>  # Disk quota parameters (in form of softlimit:hardlimit)
>>     >>  DISKSPACE="2G:2.2G"
>>     >>  DISKINODES="200000:220000"
>>     >>  QUOTATIME="0"
>>     >>
>>     >>  # CPU fair scheduler parameter
>>     >>  CPUUNITS="1000"
>>     >>  ===========================
>>     >>
>>     >>
>>     >>
>>     >>  Thanks!
>>     >>
>>     >>
>>     >>  Alex
>>     >>
>>     >>  --
>>     >>  ----------------------------------------------------------------
>>     >>  Aleksandr Levchuk
>>     >>  Bioinformatics Systems and Databases
>>     >>  [2]http://facility.bioinformatics.ucr.edu/people/aleksandr-levchuk
>>     >>
>>     >>  Cell Phone: (951) 368-0004
>>     >>  Lab Phone: (951) 905-5232
>>     >>
>>     >>  Institute for Integrative Genome Biology
>>     >>  University of California, Riverside
>>     >>  ---------------------------------------------------------------
>>     >>
>>     >
>>     >  --
>>     >   --- Inguza Technology AB --- MSc in Information Technology ----
>>     >  /  [3]ola at inguza.com                    Annebergsslingan 37        \
>>     >  |  [4]opal at debian.org                   654 65 KARLSTAD            |
>>     >  |  [5]http://inguza.com/                Mobile: +46 (0)70-332 1551 |
>>     >  \  gpg/f.p.: 7090 A92B 18FE 7994 0C36 4FE4 18A1 B1CF 0FE5 3DD9  /
>>     >   ---------------------------------------------------------------
>>     >
>>     --
>>     ----------------------------------------------------------------
>>     Aleksandr Levchuk
>>     Bioinformatics Systems and Databases
>>     [6]http://facility.bioinformatics.ucr.edu/people/aleksandr-levchuk
>>     Cell Phone: (951) 368-0004
>>     Lab Phone: (951) 905-5232
>>     Institute for Integrative Genome Biology
>>     University of California, Riverside
>>     ---------------------------------------------------------------
>>
>> Referenser
>>
>>     1. mailto:ola at inguza.com
>>     2. http://facility.bioinformatics.ucr.edu/people/aleksandr-levchuk
>>     3. mailto:ola at inguza.com
>>     4. mailto:opal at debian.org
>>     5. http://inguza.com/
>>     6. http://facility.bioinformatics.ucr.edu/people/aleksandr-levchuk



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