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From "António Rafael Paiva" <a20...@alunos.det.ua.pt>
Subject Re: AW: AW: AW: [users@httpd] clustering
Date Wed, 23 Apr 2003 08:59:11 GMT
On Tue, 22 Apr 2003 10:45:31 +0200
  "Jan-Hendrik Heuing" <jh@netfielders.de> wrote:
> Right... Good idea.
> 
> Files are on a data-source anyway, we've got our 
> fileserver.
> 
> The question: Would it work to set up a cluster with 
> some OS-level-cluster-solution and run apache on each to 
> share the load ? 
> 
> I don't know much about this sort of solution. I've got 
> beowulf in my mind, would that be the right direction ?

I don't know very much about clustering either and never 
set one yet, although have intentions of doing so sooner 
or later. But as far as i know Beowulf looks the more used 
system around there.

Good luck!
Rafael

> jhh
> 
> -----Ursprüngliche Nachricht-----
> Von: António Rafael Paiva 
> [mailto:a20130@alunos.det.ua.pt]
> Gesendet: Dienstag, 22. April 2003 10:39
> An: users@httpd.apache.org
> Betreff: Re: AW: AW: [users@httpd] clustering
> 
> 
> Like it sound to me when i first read the suject, you 
> can 
> set the servers as a computer cluster this way they will 
> distribute processing through all servers automaticly, 
> and 
> (not shure) use just one server to have all the 
> information instead of having it on all servers.
> 
> Regards,
> Rafael
> 
> > Hi !
> > 
> > I am already using DNS round robin. That works OK. But 
> > this is only to load-balance to 2 or 3 
> >frontend-servers. 
> > With mod_backhand, I can attach even more in the 
> >backend 
> > without knowing from the outside. backhand is great ! 
> > But only working on Apache 1.3. There is no hurry to 
> > change the config now, but in the long run, I guess we 
> > have to use Apache2, so I am asking these questions 
> >now.
> > 
> > For everyone interested: At least there are thoughts 
> > about setting up backhand for apache2. Maybe in one 
> >year 
> > or so, there will be a solution, but they have no 
> > timetable, and might even not set it up.
> > 
> > If anyone has got any other ideas... I'll keep you up 
> >to 
> > date if I find another solution.
> > 
> > jhh
> > 
> > 
> > > Hi !
> > > 
> > > The point: mod_backhand would transfer load to 
> > >"backend" 
> > > servers, while only 2 servers are accessible to the 
> > > network.
> > 
> > Have you tried to do load balancing with the DNS 
> >server.
> > I know that BIND supports this and should work with any 
> > type of server you have.
> > For more information try the "BIND9 Administrator 
> > Reference Manual" (search on the net).
> > 
> > Regards,
> > Rafael
> > 
> > > If anyone knows about other solutions, tell me. 
> > > Otherwise I wil have a look at these external 
> > > load-balance-solutions...
> > > 
> > > thanks anyway. jhh
> > > 
> > > Buy a load balancer.
> > > 
> > > Or there is also general purpose load balancing 
> > > software, I looked at 
> > > this stuff a year or two ago, but I recall there 
> >being 
> > >a 
> > > Linux Kernel 
> > > module that would do load balancing, as well as a 
> > > Daemon.  I don't 
> > > remember what they were called or anything...but just 
> > >do 
> > > a google 
> > > search for "[your platform] load balancing".  I'm 
> >sure 
> > > you'll find 
> > > something.
> > > 
> > > 
> > > >Hi folks !
> > > >
> > > >Right now we are using Apache 1.3. We are using 
> > > >mod_backhand to 
> > > >loadbalance requests. We've got 2-3 
> >frontend-servers, 
> > > >via 
> > > >mod_backhand load/requests is transfered to 
> > > >"backend"-servers, which 
> > > >are not connected to the outside.
> > > >
> > > >Obviously mod_backhand is not being developed for 
> > >Apache 
> > > >2, are 
> > > >there any alternatives ?
> > > >
> > > >thanks, Jan-Hendrik
> > > 
> > 
> > ----------------------------------------------------
> > António Rafael C. Paiva
> > Electronics and Telecommunications Dep.
> > Aveiro University
> > 
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> ----------------------------------------------------
> António Rafael C. Paiva
> Electronics and Telecommunications Dep.
> Aveiro University
> 
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----------------------------------------------------
António Rafael C. Paiva
Electronics and Telecommunications Dep.
Aveiro University

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