Re: Physical Memory Fully Used and Swap is Not Used

On 6/22/09, Mudhalvan Moovarkku <moovarkku.mudhalvan_at_axa-direct.co.jp> wrote:
> Dear DBAs,
>
> We have recently migrated Oracle from 8.0.6 on HP-Unix to
> 10.2.0.4 on Red Hat Linux
>
> Earlier the same application worked fine with 7GB RAM on HP-UNIX
> on PA-RISC
>
> Upgraded system on IBM X 3850 with 16GB RAM but still we have
> some performance issue.
>
> I knew there is some lagging because of Hardware Architecture
> but it is too bad 7 GB to 16GB RAM but still have performance.
>
> Please look at data collected from RDA. Looking at this scenario
> my physical memory is fullly used but Swap is not at all used.
>
> Total Physical Memory 16032 MiB
> Available Physical Memory 30 MiB
> Swap: Max Size 24575 MiB
> Swap: Available 24505 MiB
> Swap: In Use 70 MiB
>
> We know there is some performance issue in application. I would
> like to make as much as possible from Database/Linux side tunning to
> provide atlease peaceful performance. Can any body through some light on
> why the swap is not at all used.
>
> Regards
> Mudhalvan M.M
>
>

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