Re: PITR performance costs

From: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
To: Dave Cramer <pg(at)fastcrypt(dot)com>
Cc: postgresql performance list <pgsql-performance(at)postgresql(dot)org>
Subject: Re: PITR performance costs
Date: 2007-05-28 16:31:33
Message-ID: 465B03E5.1000109@enterprisedb.com
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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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