Skip site navigation (1) Skip section navigation (2)

Re: Revitalising VACUUM FULL for 8.3

From: "Simon Riggs" <simon(at)2ndquadrant(dot)com>
To: "Zeugswetter Andreas ADI SD" <ZeugswetterA(at)spardat(dot)at>
Cc: "Hannu Krosing" <hannu(at)skype(dot)net>,<pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Revitalising VACUUM FULL for 8.3
Date: 2007-03-01 13:41:44
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Thu, 2007-03-01 at 14:35 +0100, Zeugswetter Andreas ADI SD wrote:
> > 		-- start the VACUUM from the first non-filled block
> > 
> > So if we do this, we wouldn't need to worry about HOT tuples 
> > at all, nor would we need to wait until all transactions are gone.
> You need to wait until you are allowed to truncate if you want
> concurrency.
> Or a concurrent scan might miss a row, because the visible tuple got
> truncated away.

I was not suggesting that we remove visible rows through truncation.

  Simon Riggs             

In response to


pgsql-hackers by date

Next:From: Pavan DeolaseeDate: 2007-03-01 13:49:46
Subject: HOT - preliminary results
Previous:From: Hannu KrosingDate: 2007-03-01 13:40:04
Subject: Re: Revitalising VACUUM FULL for 8.3

Privacy Policy | About PostgreSQL
Copyright © 1996-2018 The PostgreSQL Global Development Group