Received: from localhost (maia-4.hub.org [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 1693F9FB9FD; Thu, 3 May 2007 15:20:25 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 73497-07; Thu, 3 May 2007 15:20:22 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from mailbox.samurai.com (mailbox.samurai.com [205.207.28.82]) by postgresql.org (Postfix) with ESMTP id E8C329FB69B; Thu, 3 May 2007 15:20:21 -0300 (ADT) Received: from localhost (mailbox.samurai.com [205.207.28.82]) by mailbox.samurai.com (Postfix) with ESMTP id 3292061CF2; Thu, 3 May 2007 14:20:21 -0400 (EDT) X-Virus-Scanned: by amavisd-new at mailbox.samurai.com Received: from mailbox.samurai.com ([205.207.28.82]) by localhost (mailbox.samurai.com [205.207.28.82]) (amavisd-new, port 10024) with LMTP id M+xp67lElsNQ; Thu, 3 May 2007 14:20:19 -0400 (EDT) Received: from [192.168.0.101] (CPE3285f62f0d42-CM0011aec5ebbc.cpe.net.cable.rogers.com [74.103.71.181]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by mailbox.samurai.com (Postfix) with ESMTP id BB4F061CAA; Thu, 3 May 2007 14:20:19 -0400 (EDT) Subject: Re: row-level stats and last analyze time From: Neil Conway To: Guillaume Lelarge Cc: pgsql-docs@postgresql.org, pgsql-hackers , Tom Lane In-Reply-To: <1177625227.6440.61.camel@localhost.localdomain> References: <462B6CEB.4010109@lelarge.info> <1177450739.16415.249.camel@localhost.localdomain> <1177625227.6440.61.camel@localhost.localdomain> Content-Type: text/plain Date: Thu, 03 May 2007 14:20:19 -0400 Message-Id: <1178216419.18303.12.camel@goldbach> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200705/4 X-Sequence-Number: 4233 On Thu, 2007-26-04 at 18:07 -0400, Neil Conway wrote: > (1) I believe the reasoning for Tom's earlier change was not to reduce > the I/O between the backend and the pgstat process [...] Tom, any comments on this? Your change introduced an undocumented regression into 8.2. I think you're on the hook for a documentation update at the very least, if not a revert. -Neil