linux-kernel - Re: Scalability Question

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Message-ID: <CAPDOMViNDzgoTWGnjhaaRhxDXfv40DWAPKRV+7mBG8ReztFCpw@mail.gmail.com>
Date:	Fri, 4 Jul 2014 23:54:36 -0400
From:	Nick Krause <xerofoify@...il.com>
To:	Richard Weinberger <richard.weinberger@...il.com>
Cc:	Mike Galbraith <umgwanakikbuti@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Scalability Question

That's true.
Cheers Nick

On Fri, Jul 4, 2014 at 11:44 PM, Richard Weinberger
<richard.weinberger@...il.com> wrote:
> On Sat, Jul 5, 2014 at 5:33 AM, Nick Krause <xerofoify@...il.com> wrote:
>> The most powerful super computer runs Ubuntu with over 3.2 million cores.
>
> These kind of computers don't run a single kernel.
> See grid computing.
>
>> There fore I can state that Linux is very good at scaling as I have seem
>> the other side with embedded systems.
>> Cheers Nick
>>
>> On Fri, Jul 4, 2014 at 11:24 PM, Mike Galbraith
>> <umgwanakikbuti@...il.com> wrote:
>>> On Fri, 2014-07-04 at 16:40 -0400, Nick Krause wrote:
>>>> I am curious after reading some outdated kernel papers, how scalable
>>>> is the kernel of
>>>> late? I am curious mostly in memory and cpu subsystems as file systems
>>>> will change
>>>> based on user's choice.
>>>
>>> You can currently configure for up to 8192 CPUs.  I've not seen any
>>> benchmark data whatsoever for huge boxen, have no idea where which
>>> subsystem crumbles.  SGI asked for the increase to 8192, so presumably
>>> do manage to squeeze acceptable performance out of size XXXXL boxen.
>>>
>>> -Mike
>>>
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>
>
>
> --
> Thanks,
> //richard
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