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Re: Quick question regarding tablespaces

From: Mike Rylander <miker(at)purplefrog(dot)com>
To: Gavin Sherry <swm(at)linuxworld(dot)com(dot)au>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Quick question regarding tablespaces
Date: 2004-07-01 23:34:19
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Lists: pgsql-hackers
On Thursday 01 July 2004 06:43 pm, Gavin Sherry wrote:
> Hi Mike,
> In this release, unfortunately not.

That't too bad, but it's not that urgent I suppose.

> I had some idea early on of putting rand_page_cost in pg_tablespace and
> having the planner have access to it for costing. I didn't actually get
> around to it but. :-(

Well, I haven't looked at the PG source before, but if you have some specific 
design ideas I would be glad to help out.  I'm just not sure where (or when, 
with the official release coming (sort of) soon) to start, but with some 
pointers I'll do what I can!


> Gavin
> On Mon, 28 Jun 2004, Mike Rylander wrote:
> > Now that PG will have tablespaces I can stick my really high I/O data on
> > a fiberchannel array, and save some money by putting the rest of it (also
> > the majority of it) on less expensive SCSI RAID sets.  Will I also be
> > able to tune individual tablespaces with the likes of random_page_cost? 
> > Sorry if I missed this somewhere...
> >
> > TIA
> >
> > --miker
> >
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> >
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