Re: 19C migration

Not much idea about it but what i am aware of is we are using ZDLRA for backup of this engineered system.

And I was trying to understand here overall if any specific feature of 19C we should use. It may be performance related.

On Wed, Dec 8, 2021 at 7:17 PM Michael McMullen <ganstadba_at_hotmail.com> wrote:

> Hi
>
> Quick question
> I noticed you are on an x8-M. Are you using rman compression to a ZFS? I'm
> seeing a lot of slowness with compression on our x8 systems.
>
> Thanks
>
> Mike
> ------------------------------
> *From:* oracle-l-bounce_at_freelists.org <oracle-l-bounce_at_freelists.org> on
> behalf of Pap <oracle.developer35_at_gmail.com>
> *Sent:* December 3, 2021 4:16 AM
> *To:* Oracle L <oracle-l_at_freelists.org>
> *Subject:* 19C migration
>
> Hello Listers, We have one of the big hybrid (catering to Oltp+reporting
> type of workload) databases(~150TB in size) which is planned to move from
> 11.2 to 19C. it's already on an X8-M high capacity exadata box.
>
> I understand with most of the databases now on 19C+ versions and with many
> new features with this version as compared to 11.2.0.4, is there any key
> learning we should follow or say are there any specific features we must
> use or let our application code change to use to get best out of 19C in
> this upgrade? May be related to optimization, compression etc.
>

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