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From: Herbert Poetzl (herbert_at_13thfloor.at)
Date: Sun 09 Nov 2003 - 18:01:07 GMT


On Sun, Nov 09, 2003 at 05:18:15PM -0000, Lus Miguel Silva wrote:
> Yes, my server is heavily loaded.
> I have 2 IDE disks at 7200rpm, doing raid1.
> The big load comes (mainly) from the mail server
> (when users use imapd thru the webmail).
>
> I use kernel 2.4.21 + ctx17.
>
> I really dont believe in SMP solutions.
> It is far more expensive then "setting up a cluster".
>
> In the past we (at my university) invested in dual processor
> boards but now we are convinced that it is not a
> $good$ $solution$ (heheh).
>
> According to the funcionality of how the openmosix kernel
> works (imho) it would be the best solution to load balance vservers.
>
> The vserver project is great for "low'cost production
> servers" and...*SECURITY*!
>
> I think that if you would be able to get us vserver'users
> a "cluster'like" solution...it would be the BEST "system
> administration" project *ever*!

well, so I assume you want to help to make this possible,
by, for example providing mosix specifix information and
setting up a mosix cluster, right?

I, for my part, am willing to port the vserver stuff on
a mosix kernel, if somebody does the testing ...

best,
Herbert

>
> Best,
> +-----------------------------------------
> | Lus Miguel Silva
> | Network Administrator@ ISPGaya.pt
> | Rua Antnio Rodrigues da Rocha, 291/341
> | Sto. Ovdio 4400-025 V. N. de Gaia
> | Portugal
> | T: +351 22 3745730/3/5 F: +351 22 3745738
> | G: +351 93 6371253 E: lms_at_ispgaya.pt
> | H: http://lms.ispgaya.pt/
> +-----------------------------------------
> -----Mensagem original-----
> De: vserver-admin_at_list.linux-vserver.org
> [mailto:vserver-admin_at_list.linux-vserver.org]Em nome de Herbert Poetzl
> Enviada: domingo, 9 de Novembro de 2003 16:38
> Para: Lus Miguel Silva
> Cc: vserver_at_list.linux-vserver.org
> Assunto: Re: [Vserver] Vserver + OpenMosix...
>
>
> On Sun, Nov 09, 2003 at 09:48:08AM -0000, Lus Miguel Silva wrote:
> > Hello everybody,
> >
> > I just thought of something!
> > How about the vserver project "united" with the openmosix project?
> > It would be great to be able to have multiple vservers enjoying
> > the cheerfull'blesses of multi'processing.
>
> let me address this separated ...
>
> > One of my servers is a X86 2.6ghz with 512Mb ram running about 6
> > vservers and it is *totally* lagged.
>
> either your 6 servers do really hard work, which will
> bring down every system sooner or later, or your kernel
> and/or configuration is not optimal. Another reason
> could be a slow I/O (disk) and/or memory interface,
> which usual is the bottleneck nowadays ...
>
> what you could do/try:
>
> - get a recent kernel and patch rmap and maybe O(1)
> - use faster memory/disks (maybe striping, raid5)
> - add a second processor, SMP systems are much more
> resposive (smooth) with vservers
>
> > It would be great if we could balance the load thru other machines
> > (like we do with openmosix).
>
> I agree that this sounds interesting and it might be
> a viable solution to scale the vserver project beyond
> the physical limits of one MP machine ...
>
> I do not have any deeper knowledge of OpenMosix and
> no Farm where such a project could be tested/developed
> so if there is interest in doing this, we'll need both.
>
> best,
> Herbert
>
> >
> > Best,
> > +-----------------------------------------
> > | Lus Miguel Silva
> > | Network Administrator@ ISPGaya.pt
> > | Rua Antnio Rodrigues da Rocha, 291/341
> > | Sto. Ovdio 4400-025 V. N. de Gaia
> > | Portugal
> > | T: +351 22 3745730/3/5 F: +351 22 3745738
> > | G: +351 93 6371253 E: lms_at_ispgaya.pt
> > | H: http://lms.ispgaya.pt/
> > +-----------------------------------------
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