Re: per table random-page-cost?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: marcin mank <marcin(dot)mank(at)gmail(dot)com>
Cc: Andrew Dunstan <andrew(at)dunslane(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: per table random-page-cost?
Date: 2009-10-19 23:21:23
Message-ID: 13775.1255994483@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

marcin mank <marcin(dot)mank(at)gmail(dot)com> writes:
>> This proposal is just "hints by the back door", ISTM. As Tom says, there is
>> a justification for having it on tablespaces but not on individual tables.

> If the parameter is defined as "the chance that a page is in cache"
> there is very real physical meaning to it.

We have no such parameter...

regards, tom lane

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Greg Stark 2009-10-19 23:29:05 Re: per table random-page-cost?
Previous Message marcin mank 2009-10-19 23:04:04 Re: per table random-page-cost?