Re: archivelog performance issues
- From: Andrew Kerber <andrew.kerber@xxxxxxxxx>
- To: jdanton1@xxxxxxxxx
- Date: Tue, 7 Jul 2009 11:22:09 -0500
In general, there is very little noticeable impact in running archivelog
mode unless your logs are badly undersized and the logs are switching every
minute or so. If the logs are properly sized so that they switch every
15-30 minutes, there will not be a noticeable impact.
On Tue, Jul 7, 2009 at 11:09 AM, Joey D'Antoni <jdanton1@xxxxxxxxx> wrote:
> How is your storage arranged? In general, with a database of that size, I
> can't imagine a significant performance impact from running in archivelog
> mode, unless the storage was horribly misconfigured.
>
> Joseph D'Antoni
> Synthes USA
>
> ------------------------------
> *From:* Julio Aguilar-Chang <jachang@xxxxxxxx>
> *To:* Oracle-L Freelists <oracle-l@xxxxxxxxxxxxx>
> *Sent:* Tuesday, July 7, 2009 12:06:33 PM
> *Subject:* archivelog performance issues
>
> Hello:
> What are the performance issues I should be aware of if I decide to enable
> archivelog mode on an OLTP database? I just inherited this database (about
> 40GB in size, ~200 users, ~2000 transactions per day), it is not in
> archivelog mode, and the manager who owns it (not well versed in Oracle)
> tells me that the previous DBA who just left did not enable archiving for
> database performance reasons. The Oracle server is an HP DL385, dual core,
> with 16GB of memory.
> Is there a good reason based on performance for not enabling archivelog
> mode?
>
> --
> *****************************************
> Julio Aguilar-Chang
> Geophysics Group, EES-17
> Los Alamos National Laboratory
>
> jachang@xxxxxxxx
> (505) 667-1004 - work
> (505) 665-3687 - fax
> *****************************************
>
> --
> //www.freelists.org/webpage/oracle-l
>
>
>
>
--
Andrew W. Kerber
'If at first you dont succeed, dont take up skydiving.'
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