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Re: Feedback on auto-pruning approach

From: Richard Broersma Jr <rabroersma(at)yahoo(dot)com>
To: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>, Mark Liberman <mliberman(at)mixedsignals(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Feedback on auto-pruning approach
Date: 2006-03-28 18:42:13
Message-ID: 20060328184213.17863.qmail@web31804.mail.mud.yahoo.com (view raw or flat)
Thread:
Lists: pgsql-admin
Could RRS be implemented in a similar fashion to OPC-HDA?

Regards,
Richard

--- "Jim C. Nasby" <jnasby(at)pervasive(dot)com> wrote:

> On Tue, Mar 28, 2006 at 10:23:45AM -0800, Mark Liberman wrote:
> > > Probably your biggest issue will be temporary files created by temporary tables, sorts that
> spill to disk, etc.
> > 
> > Is there any way to monitor this so I can estimate?
> 
> Keep an eye on $PGDATA/base/{database_oid}/pgsql_tmp.
> 
> > > What I'm confused by is the concern about disk space in the first place.
> > 
> > We provide a device to customers that must run in an unattended fashion for as long as the
> hardward holds up.  So, regardless of the disk size, they will run out at some time.  Some of
> our solutions grow by 3.5 Gigs per day - and 6 months of history is not an unreasonable
> expectation.  We've just decided we want to keep as much history as possible given space
> limitations.
> 
> You might want to take a look at http://rrs.decibel.org, which is
> something I created for a similar purpose.
> -- 
> Jim C. Nasby, Sr. Engineering Consultant      jnasby(at)pervasive(dot)com
> Pervasive Software      http://pervasive.com    work: 512-231-6117
> vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461
> 
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