Re: Feature Request --- was: PostgreSQL Performance Tuning - Mailing list pgsql-performance

From Jonah H. Harris
Subject Re: Feature Request --- was: PostgreSQL Performance Tuning
Date
Msg-id 36e682920704280954t1f42c51aya2f1899bf2ab892e@mail.gmail.com
Whole thread Raw
In response to Re: Feature Request --- was: PostgreSQL Performance Tuning  ("Harald Armin Massa" <haraldarminmassa@gmail.com>)
Responses Re: Feature Request --- was: PostgreSQL Performance Tuning
List pgsql-performance
On 4/28/07, Harald Armin Massa <haraldarminmassa@gmail.com> wrote:
> about your feature proposal: as I learned, nearly all
> Perfomance.Configuration can be done by editing the .INI file and making the
> Postmaster re-read it.

Um, shared_buffers is one of the most important initial parameters to
set and it most certainly cannot be set after startup.

> So, WHY at all should those parameters be guessed at the installation of the
> database?

Because a lot of good assumptions can be made on the initial install.
Likewise, some of the most important parameters cannot be tuned after
startup.

> Maybe there is even a pointy flashy version possible (perhaps even for money
> :) which gives nice graphics and "optimized", like those Windows Optimizers.
> :)  I am sure, some DBAs in BIGCOMPs would be thrilled :)

I'd suggest that you not make snide remarks about someone else's
design when your own analysis is somewhat flawed.

--
Jonah H. Harris, Software Architect | phone: 732.331.1324
EnterpriseDB Corporation            | fax: 732.331.1301
33 Wood Ave S, 3rd Floor            | jharris@enterprisedb.com
Iselin, New Jersey 08830            | http://www.enterprisedb.com/

pgsql-performance by date:

Previous
From: "henk de wit"
Date:
Subject: Re: Redundant sub query triggers slow nested loop left join
Next
From: "Harald Armin Massa"
Date:
Subject: Re: Feature Request --- was: PostgreSQL Performance Tuning