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Re: sort latch usage in MTS mode

From: Rajeev Prabhakar <rprabha01_at_gmail.com>
Date: Mon, 6 Aug 2007 15:15:04 -0400
Message-ID: <2ba656800708061215n1d612ebey5a4d63174c61ee00@mail.gmail.com>


Hi Zhu Chao

Could you please run the following
query and post the results :

select * from v$sgastat order by 3 ;

-Rajeev

On 8/6/07, Nigel Thomas <nigel_cl_thomas_at_yahoo.com> wrote:
>
>
> Zu Chao wrote: maybe not many people use MTS recently due to nearly-free
> RAM. But when connection# goes real high, you still have to, and we are such
> a user.
>
> Kevin Closson replied: just out of curiosity, what is "real high" in terms
> of connect count?
>
> And another (maybe irrelevant) point: when there is a mid-tier shared
> connection pool, that can also act as a concentrator/multiplexer (eg I have
> LoadRunner tested 2000 "users" executing a realistic high volume workload
> with (iirc) only 100-200 real Oracle connections). Yes, I know 2000 is not
> "real high" :) but you can scale out this approach.
>
> MTS and app server shared pool have different strengths and weaknesses
> (for the benefit of the BAAG party - or just to stimulate more informed
> replies - I'll refrain from proving my ignorance by guessing what they are
> :-).
>
> Regards Nigel
>

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Received on Mon Aug 06 2007 - 14:15:04 CDT

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