Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.server -> Re: Question about REDO logs.

Re: Question about REDO logs.

From: Kev.- <java2e_at_yahoo.com>
Date: Wed, 21 Mar 2001 23:20:24 GMT
Message-ID: <3ab93726.4543022@news.zyan.com>

Hello Andrew,

Thanks!

Kev.-

On 21 Mar 2001 10:53:32 +0000 (GMT), Andrew Mobbs <andrewm_at_chiark.greenend.org.uk> wrote:

>Kev.- <java2e_at_yahoo.com> wrote:
>>Hello,
>>
>>I am not sure if this can even be done but I was asked to get the IO
>>stats from the REDO logs. I have no clue what V$ table I need to go
>>to to get this information if it is even indeed possible. Could some
>>please advise me on this as I have been scanning the web for hours and
>>found nothing.
>
>Look in v$sysstat for "redo size","redo writes" and "redo blocks written"
>I've only checked 8.1.7 YMMV.
>
>>I think what they what is to get performance information to see where
>>the problems are occuring. I noticed that you can get Latch
>>Statistics for REDO logs but what about IOs. Also what table can I
>>goto to get the names of all the REDO log files.
>
>You're probably best off running a report with either
>utlbstat/utlestat, or if you're on 8.1.6 or later statspack. Both of
>these are in ?/rdbms/admin.
>
>Before you start, make sure at least somebody in the organisation has
>read Oracle's "Designing and Tuning for Performance" manual.
>
>--
>Andrew Mobbs - http://www.chiark.greenend.org.uk/~andrewm/
Received on Wed Mar 21 2001 - 17:20:24 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US