Re: Network interconnect traffic on RAC

From: Andrew Kerber <andrew.kerber_at_gmail.com>
Date: Wed, 10 Feb 2010 12:42:00 -0600
Message-ID: <ad3aa4c91002101042k4835a8d6tfd4cce5ce44cd6a_at_mail.gmail.com>

There is traffic statistics available in the AWR, but if you want more than that you would have to use some sort of network sniffer. However, I would think the AWR would be sufficient, I think it shows number of blocks in each direction,

On Wed, Feb 10, 2010 at 12:34 PM, Karl Arao <karlarao_at_gmail.com> wrote:

> Hi List,
>
>
> How do you measure the network traffic going on your RAC interconnect?
> on the Oracle and OS side...
>
> Can you share the efficient tools that you use?
>
> I'm trying to figure out (aside from the GC wait events popping out on
> the AWR)... how would you know if your interconnect is congested?
>
> Let's say I had some RAC node evictions, I want to measure if it's
> really the interconnect that is congested (I'm looking for the
> numbers).. the same way that I'll be looking on the CPU scheduling and
> disk IO issues...
>
>
>
>
> - Karl Arao
> karlarao.wordpress.com
> --
> http://www.freelists.org/webpage/oracle-l
>
>
>

-- 
Andrew W. Kerber

'If at first you dont succeed, dont take up skydiving.'

--
http://www.freelists.org/webpage/oracle-l

Received on Wed Feb 10 2010 - 12:42:00 CST