[Debian] Re: Vswap config in Debian Squeeze

Kir Kolyshkin kir at parallels.com
Mon Aug 8 07:18:36 EDT 2011


The vswap config (which sets everything to unlimited except for physpages and swappages).

Suffixes should be supported.

Ola Lundqvist <ola at inguza.com> wrote:


Hi Kir

Quoting "Kir Kolyshkin" <kir at parallels.com>:
> On 08/08/2011 08:49 AM, Ola Lundqvist wrote:
>> Thanks Kir
>>
>> It turned out however that Aleksandr actually wanted to know something else.
>> And it was whether M,G,K keywords and "unlimited" keyword was supported.
>> I pointed to the man page and told yes. :-)
>
> OK, thank you!
>
> Just to clarify -- the configs that Aleksandr is asking about
> must not be used on a Debian OpenVZ kernel.

The vswap config or the "human readable" things for "unlimited", "K",
"G" and so on?

If it is the later I think we should adjust the manpage.

// Ola

>> // Ola
>>
>> On Mon, Aug 08, 2011 at 01:07:03AM +0400, Kir Kolyshkin wrote:
>>> 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
>>>
>
>
>



--
  --- Inguza Technology AB --- MSc in Information Technology ----
/  ola at inguza.com                    Annebergsslingan 37        \
|  opal at debian.org                   654 65 KARLSTAD            |
|  http://inguza.com/                Mobile: +46 (0)70-332 1551 |
\  gpg/f.p.: 7090 A92B 18FE 7994 0C36 4FE4 18A1 B1CF 0FE5 3DD9  /
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