Re: PITR performance costs - Mailing list pgsql-performance

From Dave Cramer
Subject Re: PITR performance costs
Date
Msg-id AB783D40-6095-40EB-A779-B3387EF87136@fastcrypt.com
Whole thread Raw
In response to Re: PITR performance costs  (Heikki Linnakangas <heikki@enterprisedb.com>)
Responses Re: PITR performance costs
List pgsql-performance
Heikki,

Don't the archived logs have to be copied as well as the regular WAL
logs get recycled ?

Dave
On 28-May-07, at 12:31 PM, Heikki Linnakangas wrote:

> 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


pgsql-performance by date:

Previous
From: Heikki Linnakangas
Date:
Subject: Re: PITR performance costs
Next
From: Stephen Frost
Date:
Subject: Re: PITR performance costs