Re: [COMMITTERS] pgsql: Some further performance tweaks for planning large inheritance

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: [COMMITTERS] pgsql: Some further performance tweaks for planning large inheritance
Date: 2007-04-22 21:20:15
Message-ID: 200704222120.l3MLKFj11440@momjian.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-committers pgsql-patches

Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > Does this eliminate problems with using a large number of tablespaces?
>
> No, it doesn't have anything particular to do with tablespaces.
> It gets rid of some bottlenecks that become noticeable with a
> large number of child tables.

Yes, but I thought the problem with many tablespaces was the cost of
referencing them as child tables. Simon?

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://www.enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +

In response to

Browse pgsql-committers by date

  From Date Subject
Next Message User H-saito 2007-04-23 07:34:26 libpqwce - libpqwce: Imported Sources
Previous Message Peter Eisentraut 2007-04-22 21:16:18 pgsql: Make some functions immutable.

Browse pgsql-patches by date

  From Date Subject
Next Message Koichi Suzuki 2007-04-23 00:17:21 Re: [HACKERS] Full page writes improvement, code update
Previous Message Tom Lane 2007-04-22 17:10:17 Re: [HACKERS] parser dilemma