Dear, Anrew,

I think, so problems possible for 20 connections/minute.
each dedicated connection is fork(), so sys time cpu utilization
possible, but I think so not so much.
Also, possible that problems in linux cache, i'm strongly recommend you
to setup support of direct IO.
And if you really want to use all of 32G of ram, setup x86_64 version of
oracle and linux.

Fabrizio Magni wrote:
> Hi Andrew,
> from what I can see from those numbers I guess you are using some sort of
> multipath.
> What's the software of your choice?
>
>
>
>>
>> My server configured in dedicated mode.
>>
>
> Then I hope you are connecting through a connection pool otherwise
> this can
> be a good reason for the system cpu time.
>
> - What is every connection doing?
> - may you reuse your connections without opening and closing them?
>
> Your I/O is not too bad and I cannot really spot a system problem. I'd
> investigate your application before going back at the operating system.
>
> At this point a good place where to look is statspack.
>
> Fabrizio
>

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