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Re: Vacuum questions...
- From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
- To: "Jim C. Nasby" <jnasby(at)pervasive(dot)com>
- Cc: pgsql-hackers(at)postgresql(dot)org
- Subject: Re: Vacuum questions...
- Date: Sun, 25 Sep 2005 00:29:54 -0400
- Message-id: <20050925042953(dot)GC14362(at)surnet(dot)cl>
On Sat, Sep 24, 2005 at 07:17:38PM -0500, Jim C. Nasby wrote: > Finally, if vacuum_delay is enabled, does vacuum_cost_page_miss consider > a miss as not in the database buffer, or not in the kernel buffer? The database buffer. > I > remember discussions about trying to track IO request times to try and > determine if something came out of kernel buffers or not, but AFAIK > that's all vaporware right now... I don't remember the discussion, but it certainly hasn't been implemented. -- Alvaro Herrera http://www.PlanetPostgreSQL.org "Escucha y olvidarás; ve y recordarás; haz y entenderás" (Confucio)
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- Vacuum questions...
- From: Jim C. Nasby
- Vacuum questions...
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