Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id EAAA59FBC69 for ; Thu, 22 Mar 2007 18:15:33 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-new, port 10024) with ESMTP id 89312-07 for ; Thu, 22 Mar 2007 18:15:25 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from vms040pub.verizon.net (vms040pub.verizon.net [206.46.252.40]) by postgresql.org (Postfix) with ESMTP id A2C3F9FBC72 for ; Thu, 22 Mar 2007 18:15:28 -0300 (ADT) Received: from new-host.home ([71.166.59.121]) by vms040.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0JFB00EK1PPPMCJA@vms040.mailsrvcs.net> for pgsql-docs@postgresql.org; Thu, 22 Mar 2007 16:15:25 -0500 (CDT) Date: Thu, 22 Mar 2007 17:15:20 -0400 From: Robert Treat Subject: documention wrong or just not clear? To: pgsql-docs@postgresql.org Message-id: <200703221715.20418.xzilla@users.sourceforge.net> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit Content-disposition: inline User-Agent: KMail/1.9.1 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200703/22 X-Sequence-Number: 4193 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: postgres=# show vacuum_freeze_min_age; vacuum_freeze_min_age ----------------------- 100000000 (1 row) postgres=# VACUUM ; VACUUM postgres=# select min (age(relfrozenxid)) from pg_class where relkind = 'r'; min -------- 253045 (1 row) -- Robert Treat Build A Brighter LAMP :: Linux Apache {middleware} PostgreSQL