RE: Log switches
- From: Wolfson Larry - lwolfs <lawrence.wolfson@xxxxxxxxxx>
- To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 8 Jul 2004 04:48:35 -0500
Jared,
I was wondering if you looked at Steve Adams suggestion of keeping
log files open to speed up switching?
It is something we were mulling over.
Larry Wolfson
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Jared Still
Sent: Wednesday, July 07, 2004 3:35 PM
To: Oracle-L Freelists
Subject: RE: Log switches
On Wed, 2004-07-07 at 08:01, Ganesh.Raja@xxxxxxxxxxxxxxxxxxx wrote:
> Talking of Log Switches here .. As Anyone Heard of a 500 Meg Log file !!!
I
> Got this out of a Tech Consultant and he Argued that it was a VLDB and
> requires that big a LOG File !!! ???
That's the size of the logs on our SAP system. It switches about
every 90 seconds during busy periods.
I've used 1 gig on a DW, and I've heard of much larger.
I would have to say though that the size of the database really
has little to do with the size of the log files, as implied
by the consultant you are quoting.
A 30 TB read only database probably doesn't require large logs.
Our measly 500 Gig SAP system does require large logs, as it
sees a lot of activity on occasion.
Jared
> Cheers,
> Ganesh R
>
>
> -----Original Message-----
> From: Raj Jamadagni [mailto:rjamya@xxxxxxxxx]
> Sent: 07 July 2004 15:22
> To: oracle-l@xxxxxxxxxxxxx
> Subject: RE: Log switches
>
>
> Dennis,
>
> that's fine because streams will use log_miner to find information, that
is
> okay with us.
>
> Raj
> --- DENNIS WILLIAMS <DWILLIAMS@xxxxxxxxxxxxx> wrote:
> > Many small logs?
> >
> > Dennis Williams
> > DBA
> > Lifetouch, Inc.
> > dwilliams@xxxxxxxxxxxxx
> > I said it "looked" clear - Riddick
>
>
> =====
> Best Regards
> Raj
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