Received: from localhost (maia-1.hub.org [200.46.204.191]) by postgresql.org (Postfix) with ESMTP id 333D19FBAFE for ; Thu, 22 Mar 2007 18:29:13 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.191]) (amavisd-new, port 10024) with ESMTP id 88599-05 for ; Thu, 22 Mar 2007 18:29:09 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 5FA459FBA50 for ; Thu, 22 Mar 2007 18:29:09 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.6/8.13.6) with ESMTP id l2MLT8JE027494; Thu, 22 Mar 2007 17:29:08 -0400 (EDT) To: Robert Treat cc: pgsql-docs@postgresql.org Subject: Re: documention wrong or just not clear? In-reply-to: <200703221715.20418.xzilla@users.sourceforge.net> References: <200703221715.20418.xzilla@users.sourceforge.net> Comments: In-reply-to Robert Treat message dated "Thu, 22 Mar 2007 17:15:20 -0400" Date: Thu, 22 Mar 2007 17:29:08 -0400 Message-ID: <27493.1174598948@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200703/23 X-Sequence-Number: 4194 Robert Treat writes: > In http://www.postgresql.org/docs/8.2/static/routine-vacuuming.html it says: > "The age column measures the number of transactions from the cutoff XID to the > current transaction's XID. Immediately after a VACUUM, age(relfrozenxid) > should be a little more than the vacuum_freeze_min_age setting that was used > (more by the number of transactions started since the VACUUM started). " > However my results don't seem to bear that out: I would imagine that your database (or at least some of your tables) are not yet vacuum_freeze_min_age transactions old. regards, tom lane