pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Christopher Kings-Lynne <chriskl@familyhealth.com.au>
To: josh@agliodbs.com
To: Achilleus Mantzios <achill@matrix.gatewaynet.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: [SQL] 7.3 analyze & vacuum analyze problem
Date: Thu, 1 May 2003 09:51:41 +0800
Message-ID: <0a1301c30f84$39a2dbe0$6500a8c0@fhp.internal> (raw)
References: <Pine.LNX.4.44.0304301907560.8921-100000@matrix.gatewaynet.com>
	<200304301148.18322.josh@agliodbs.com>

> > I am afraid it is not so simple.
> > What i (unsuccessfully) implied is that
> > dynacom=# VACUUM ANALYZE status ;
> > VACUUM
> > dynacom=# ANALYZE status ;
> > ANALYZE
> > dynacom=#
>
> You're right, that is mysterious.   If you don't get a response from one
of
> the major developers on this forum, I suggest that you post those EXPLAIN
> results to PGSQL-BUGS.

Is it mysterious?  The ANALYZE histogram algorithm does do random sampling
doesn't it?

Chris




view thread (9+ messages)  latest in thread

Message-ID: <0a1301c30f84$39a2dbe0$6500a8c0@fhp.internal>
Permalink:  ../0a1301c30f84$39a2dbe0$6500a8c0@fhp.internal/
Also on:    postgresql.org/message-id/0a1301c30f84$39a2dbe0$6500a8c0@fhp.internal

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: chriskl@familyhealth.com.au, josh@agliodbs.com, achill@matrix.gatewaynet.com
  Subject: Re: [SQL] 7.3 analyze & vacuum analyze problem
  In-Reply-To: <0a1301c30f84$39a2dbe0$6500a8c0@fhp.internal>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox