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Re: Will xfs scale to > 1GB/s on any hardware?

To: "William L. Jones" <jones@xxxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
Subject: Re: Will xfs scale to > 1GB/s on any hardware?
From: Jarek Luberek <jarek@xxxxxxxxxx>
Date: Thu, 3 May 2001 23:44:40 +0200
In-reply-to: <4.2.0.58.20010503150531.015376f8@127.0.0.1>
References: <4.2.0.58.20010503150531.015376f8@127.0.0.1>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Thursday 03 May 2001 22:12, you wrote:
> At 09:52 PM 5/3/2001 +0200, Jarek Luberek wrote:
> >I've seen that people repport 100 MB/s (sustained I hope) with
> >as few as 8 disks. Would XFS scale to > 1GB/s sustained and
>
> If your talking about a PC then it will take a while before PC are fast
> enough to do this.
>
> Most PC can only do about 200MB/sec on a memory copy.  With the
> newer memories 400MB/sec.  Memory is one bottle neck.
>
> You also have a bottle on the PC buses that would limit the Maxim aerate
> throw put.  The PC buses need to get faster.
>
> 100 MB/s is doable 200MB/s is possible.  It depends on how much money
> you want to spend and how specialized  you want to get.
I'm really liberal about the hardware. Since we are talking XFS, it seems 
to me the choice is linux-on-sgi-hardware or irix. I also need quite a
lot of specINT and specFP and we can get resonably specialized although
the whole point is to use as much standard hardware as possible.

Thanks for the input, all of ya.

/jarek

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