Date: Mon, 15 Aug 2016 15:52:30 -0400
From: Bruce Momjian <bruce@momjian.us>
To: Jerry Sievers <gsievers19@comcast.net>
Cc: pgsql-admin@postgresql.org
Subject: Re: Thanks to pg_upgrade,. we'll reclaim 1.4T of total disk
 !!
Message-ID: <20160815195230.GA25150@momjian.us>
References: <86a8gerl1t.fsf@jerry.enova.com>
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On Mon, Aug 15, 2016 at 12:36:46PM -0500, Jerry Sievers wrote:
> Still, the discovery was rather shocking and a couple hours of
> investigation ensude to explain the matter.
> 
> Oh, and those 700G of space was actual logged table data, not temp or
> UNlogged, ergo our standby system is likewise bloated by this amount.
> 
> When we do the rescheduled upgrade thus we'll be saving 1.4T. OH yeah
> baby!!

This is on our TODO list since at least 2006:

	https://wiki.postgresql.org/wiki/Todo

	Check for unreferenced table files created by transactions that were
	in-progress when the server terminated abruptly 
	https://www.postgresql.org/message-id/200606081508.k58F85m29270@candle.pha.pa.us

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I. As I am, so you will be. +
+                     Ancient Roman grave inscription +


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