From: Heikki Linnakangas <heikki@enterprisedb.com>
To: Dave Cramer <pg@fastcrypt.com>
Cc: postgresql performance list <pgsql-performance@postgresql.org>
Subject: Re: PITR performance costs
Date: Mon, 28 May 2007 17:31:33 +0100
Message-ID: <465B03E5.1000109@enterprisedb.com> (raw)
In-Reply-To: <81165B3E-1099-4388-88F1-FA27A3AD92BC@fastcrypt.com>
References: <81165B3E-1099-4388-88F1-FA27A3AD92BC@fastcrypt.com>
Dave Cramer wrote:
> Since PITR has to enable archiving does this not increase the amount of
> disk I/O required ?
There's no difference in normal DML operations, but some bulk operations
like CREATE INDEX that don't otherwise generate WAL, need to be WAL
logged when archiving is enabled.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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To: pgsql-performance@postgresql.org
Cc: heikki@enterprisedb.com, pg@fastcrypt.com
Subject: Re: PITR performance costs
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