From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Justin Clift <jclift(at)iprimus(dot)com(dot)au> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: "--tuning" compile and runtime option (?) |
Date: | 2001-04-09 17:44:40 |
Message-ID: | 200104091744.NAA12563@candle.pha.pa.us |
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Lists: | pgsql-hackers |
> Hi Bruce,
>
> My thought on this is more for an "overall effect".
>
> Down The Track (i.e. in a few versions or so) I'm thinking, rightly or
> wrongly, that PostgreSQL will become Very Good at tuning itself.
>
> It would be a good thing if PostgreSQL could know just how fair it can
> play in regards to the server it's working on.
OK, what options would you recommend be auto-tuned in each circumstance?
I can imagine open files and maybe sortmemory, but even then, other
backends can affect the proper value. Share memory usually has a kernel
limit which prevents us from auto-tuning that too much.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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