Re: Q: redo bytes statistics is it sum of all members or not ?

From: Tanel Poder <tanel_at_tanelpoder.com>
Date: Wed, 25 Jun 2014 18:25:12 -0500
Message-ID: <CAMHX9J+_ytT8YFSSQpBHSMDjdYybcZFtdpgVMexrZ2RRjM5s6g_at_mail.gmail.com>

.... and if on ASM, multiply that with the ASM redundancy to get the real amount of IOs issued to the OS :-)

And if the storage array has internal mirroring ...

Tanel

On Wed, Jun 25, 2014 at 7:43 AM, Jonathan Lewis <jonathan_at_jlcomp.demon.co.uk
> wrote:

>
> That would give you the total write I/O to log files due to online redo
> log writes.
>
>
>
> Regards
> Jonathan Lewis
> http://jonathanlewis.wordpress.com
> _at_jloracle
> ------------------------------
> *From:* amihay gonen [agonenil_at_gmail.com]
> *Sent:* 25 June 2014 13:35
>
> *To:* Jonathan Lewis
> *Cc:* ORACLE-L
> *Subject:* Re: Q: redo bytes statistics is it sum of all members or not ?
>
> ok , according to this , oracle doesn't have a clear metric how many
> redo bytes where actually written to disk .
>
>
>

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Received on Thu Jun 26 2014 - 01:25:12 CEST