Re: switch UNLOGGED to LOGGED

From: Leonardo Francalanci <m_lists(at)yahoo(dot)it>
To: Noah Misch <noah(at)leadboat(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: switch UNLOGGED to LOGGED
Date: 2011-05-18 15:02:59
Message-ID: 371143.36646.qm@web29020.mail.ird.yahoo.com
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> By the time the startup process
> releases the AccessExclusiveLock acquired by the proposed
> UNLOGGED -> normal conversion process, that relfilenode
> needs to be either fully copied or unlinked all over again.
> (Alternately, find some other way to make sure queries don't
> read the half-copied file.)

About this issue: how are AccessExclusiveLocks released on
the standby when the master crashes?

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