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Date: Fri, 6 Nov 2009 20:42:52 +0300
Message-ID: <240e377b0911060942y6701796cg5ab70cf384878241@mail.gmail.com>
Subject: Re: Cluster Machines
From: Mikhail Yakshin <greycat.na.kor@gmail.com>
To: common-user@hadoop.apache.org
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>> On 11/6/09 4:04 AM, "Steve Loughran" <stevel@apache.org> wrote:
> If you want to do a virtualized setup I suggest
> http://www.linux-vserver.org/Welcome_to_Linux-VServer.org
> Why?
> Its is very close to a Solaris Zone in that unlike wm/vmware =C2=A0linux
> vserver is a "jail" =C2=A0system with resource controls for CPU (timeslic=
e)
> / memory etc. There is no emulation going on here, just a few more ops
> in the patched kernel so its fast.
>
> I use it extensively with hadoop and everything I do. In your case
> since you want to duel purpose machines it can be very effective in
> that you can run instances on the same machine and set resource
> controls to make sure they do not trample each other.

I suggest to not waste time with VServer and proceed right to OpenVZ.
It's basically the same thing, i.e. effective para-virtualization, but
with a lot of extra features, such as resource usage limits, advanced
scheduler, advanced network stack, etc.

--=20
WBR, Mikhail Yakshin