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Re: Revitalising VACUUM FULL for 8.3

From: "Zeugswetter Andreas ADI SD" <ZeugswetterA(at)spardat(dot)at>
To: "Simon Riggs" <simon(at)2ndquadrant(dot)com>,"Hannu Krosing" <hannu(at)skype(dot)net>
Cc: <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Revitalising VACUUM FULL for 8.3
Date: 2007-03-01 13:35:15
Message-ID: (view raw or whole thread)
Lists: pgsql-hackers
> 		-- 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
Or a concurrent scan might miss a row, because the visible tuple got
truncated away.


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