I think the only ways adding more log files might help is if your app is
waiting on "log file switch (%)" events.


Cary Millsap
Hotsos Enterprises, Ltd.
http://www.hotsos.com

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-----Original Message-----
Sent: Friday, March 14, 2003 10:14 AM
To: Multiple recipients of list ORACLE-L

Do you guys think , adding more log file can help ? I think it should not ,
cuz any way logwriter is going to write in one datafile at a time , correct
?

-ak


----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Friday, March 14, 2003 4:32 AM


> Arup:
>
> <NO FLAMES>
> The second condition is not quite true. It is 2/3 full in the current
> versions.
> </NO FLAMES>
>
> It is very easy to test with the event 10046^8.
>
> KG
>
>
> --- Arup Nanda <[EMAIL PROTECTED]> wrote:
> > AK,
> >
> > If the log buffer is at least 4MB, then increasing it will not help,
> > rather it may hurt. The log buffer is flushed when any of the the
> > follwoing occur
> > (i) 1 MB is filled up
> > (2) 1/3rd is filled up
> > (3) every 3 seconds
> > (4) when a checkpoint occurs
> > (5) when a commit occurs.
> >
> > Therefore, see if any of these could be the problem. It's easy to
> > check #s 4 and 3.
> >
> > As Kirti suggested, the problem could be due to the redo logs being
> > on a busy disk, or even a slow one.
> >
> > HTH.
> >
> > Arup
> >   ----- Original Message -----
> >   From: Deshpande, Kirti
> >   To: Multiple recipients of list ORACLE-L
> >   Sent: Thursday, March 13, 2003 8:13 PM
> >   Subject: RE: log buffer space
> >
> >
> >   Increasing log_buffer size is an option, if it is really small.
> >   I would also check if the redo logs are on a busy disk. If so, try
> > moving those (or other busy data files on the same disk) to other
> > not-so-busy disks.
> >
> >   - Kirti
>
>
> =====
> Have a nice day !!
> ------------------------------------------------------------
> Best Regards,
> K Gopalakrishnan,
> Bangalore, INDIA.
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> Please see the official ORACLE-L FAQ: http://www.orafaq.net
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-- 
Author: AK
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