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Apache with MPI?

 

 

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dtheisen at nexcess

Oct 14, 2010, 6:06 PM

Post #1 of 3 (990 views)
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Apache with MPI?

Hello,

I was wondering if there is any implementation of the Apache Webserver that utilizes MPICH or OpenMPI. Does anyone have any experience using a MPI implementation? I'm interested in the performance difference between a webserver that is distributed across multiple servers using MPI and a proxy based load distributor. If anyone has any kind of experience with this kind of thing, information on it would be great!

--
Daniel Theisen

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dtheisen at nexcess

Oct 20, 2010, 8:34 AM

Post #2 of 3 (934 views)
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Re: Apache with MPI? [In reply to]

Was this in the correct mailinglist? I checked the mailinglist rules, and it didn't seem like a problem asking here.

--
Daniel Theisen

On Thu, 14 Oct 2010 21:06:09 -0400
Daniel Theisen <dtheisen [at] nexcess> wrote:

> Hello,
>
> I was wondering if there is any implementation of the Apache Webserver that utilizes MPICH or OpenMPI. Does anyone have any experience using a MPI implementation? I'm interested in the performance difference between a webserver that is distributed across multiple servers using MPI and a proxy based load distributor. If anyone has any kind of experience with this kind of thing, information on it would be great!
>
> --
> Daniel Theisen
>
> ---------------------------------------------------------------------
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--
Daniel Theisen <dtheisen [at] nexcess>

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m.watts at eris

Oct 20, 2010, 8:54 AM

Post #3 of 3 (939 views)
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Re: Apache with MPI? [In reply to]

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Hash: SHA1

On 10/20/2010 04:34 PM, Daniel Theisen wrote:
> Was this in the correct mailinglist? I checked the mailinglist rules,
> and it didn't seem like a problem asking here.
>
> -- Daniel Theisen
>
> On Thu, 14 Oct 2010 21:06:09 -0400 Daniel Theisen
> <dtheisen [at] nexcess> wrote:
>
>> Hello,
>>
>> I was wondering if there is any implementation of the Apache
>> Webserver that utilizes MPICH or OpenMPI. Does anyone have any
>> experience using a MPI implementation? I'm interested in the
>> performance difference between a webserver that is distributed
>> across multiple servers using MPI and a proxy based load
>> distributor. If anyone has any kind of experience with this kind of
>> thing, information on it would be great!
>>

I suspect there hasn't been much, if any, work in porting httpd to MPI
simply because scaling httpd is a solved problem.

As CPU core and thread counts grow, so httpd scales within the box.

If you're hitting the limits of your box, you add more and load balance.
Network load balancers (ipvsadm, F5 BigIP, Cisco etc) are one approach.
Application load balancers (mod_proxy, squid etc) are the other.


Mark

- --
Mark Watts BSc RHCE MBCS
Senior Systems Engineer, IPR Secure Managed Hosting
www.QinetiQ.com
QinetiQ - Delivering customer-focused solutions
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