Re: Machine available for community use

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On Fri, 02 Nov 2007 17:11:30 -0400
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> "Joshua D. Drake" <jd(at)commandprompt(dot)com> writes:
> > Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >> Yeah, I'd vote for people just building private PG installations in
> >> their own home directories. I am not aware of any
> >> performance-testing reason why we'd want a shared installation,
> >> and given that people are likely to be testing many different code
> >> variants, a shared
>
> > The only caveat here is that our thinking was that the actual arrays
> > would be able to be re-provisioned all the time. E.g; test with
> > RAID 10 with x stripe size, Software RAID 6, what is the real
> > difference between 28 spindles with RAID 5 versus 10?
>
> Well, we need some workspace that won't go away when that happens.

Right which is on the internal devices.

> I'd suggest that the OS and people's home directories be mounted on
> a "permanent" partition with plenty of space for source code, say a
> few tens of GB, and then there be a farm of data workspace that's
> understood to be transient and can be reconfigured as needed for tests
> like that.

Agreed.

Sincerely,

Joshua D. Drake

>
> regards, tom lane
>
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