Re: [OffTopic] Curiosity about vision of the future for dba oracle ...

From: Andrew Kerber <andrew.kerber_at_gmail.com>
Date: Sat, 11 Nov 2017 15:58:22 +0000
Message-ID: <CAJvnOJY075jGkTOzdkQf4-b_FS_Ha-frQgdV=ZEYcuhP2Tm35A_at_mail.gmail.com>



One rule I have found to be nearly always true is ‘data expands to use the available capacity’. The job of a DBA may change with technology, but the job will still be needed for the foreseeable future.

On Sat, Nov 11, 2017 at 10:51 AM Mark W. Farnham <mwf_at_rsiz.com> wrote:

> I believe you are both correct to a certain extent from distinct
> viewpoints.
>
> Cloud vendors might well through hardware at a problem to charge higher
> total fees until some critical process is of the variety that cannot be
> "hardwared out of" sufficiently to be accepted. Then the last remaining
> bastion of full service experience DBAs comes into play and the most
> resource consumptive and elongated response time bits of the software and
> hardware stack are corrected.
>
> So will demand for doing things well drop over time?
>
> I don't know and I believe it is difficult to project solution spaces for
> the simultaneous equation including variables of at least:
> 1) Overall hardware capabilities including, but not limited to, reducing
> memory into cpu lag time and effectiveness of parallelism from the system
> to the application interface
> 2) Total demand for computer horsepower
> 3) Total demand for reduced elapsed time of very complex problems where a
> mistake in choosing the solution path can vary by orders of magnitude.
> 4) Relative improvements over time in the underlying software to avoid
> costly mistake in choosing the solution path
> 5) Network latency and bandwidth versus the demand to collate data from a
> variety of sources on the fly into a useful aggregation.
>
> I probably have left out more than I have included.
>
> I believe the solution is to plan to be very good at what you do from an
> axiomatic approach so that you understand the fundamentals and can shift
> the application of your skills as needed or compete for the possibly
> dwindling open seats for "database operator" folks who we count amongst
> DBAs.
>
> That prediction I think CAN be made: User interfaces to operational tools
> will improve in the sense of becoming less and the things that are tedious
> and only require somewhat complex automation will be cheaper to do with
> machines, so those job seats are in peril.
>
> -----Original Message-----
> From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org]
> On Behalf Of Mladen Gogala
> Sent: Saturday, November 11, 2017 10:11 AM
> To: Stefan Koehler; oracle-l_at_freelists.org
> Subject: Re: [OffTopic] Curiosity about vision of the future for dba
> oracle ...
>
> Hi Stefan,
>
> Replies in-line.
>
>
> On 11/11/2017 03:18 AM, Stefan Koehler wrote:
> > Hey Mladen,
> >
> >> Cloud makes it easy to just add more memory and CPU and not bother with
> trifle things like optimizing your SQL for performance.
> > Just out of curiosity - How can adding more memory or CPU help you with
> SQLs that ....
> >
> > 1) ... spent most time on logical I/O due to inefficient exec plans
> > (single thread)
> > 2) ... spent most time on parsing (single thread)
> > 3) ... spent most time on sorting due to inefficient exec plans
> > (single thread)
> > 4) ... spent most time on hashing/looping due to inefficient exec
> > plans (single thread)
> > 5) ... etc.
>
> It will give you more resources to execute other stuff, therefore making
> the crisis less critical.
>
> >
> > I thought that we already overcame the mindset of solving a
> > software/SQL problem with hardware ;-)
> Define "we"? You are talking to a guy who has spent most of his 33 years
> long career as an Oracle DBA and is fairly adept at tuning. On the other
> end are management types who have never abandoned throwing hardware as a
> solution. Hardware vendors and now cloud vendors have always been promoting
> this approach.
>
> >
> > Best Regards
> > Stefan Koehler
> >
> > Independent Oracle performance consultant and researcher
> > Website: http://www.soocs.de
> > Twitter: _at_OracleSK
> >
> >> Mladen Gogala hat am 11. November 2017 um 02:30 geschrieben:
> >>
> >> Oracle 18c is a long time away. It will be at least 3-4 years until
> >> you see the first ones in production. DBA job is dead now, not
> >> because of the smart databases, but because of DBaaS stuff and cloud in
> general.
> >> Cloud makes it easy to just add more memory and CPU and not bother
> >> with trifle things like optimizing your SQL for performance. With
> >> RDS, you don't even need to do backup. However, job of a SME is not
> >> dead, it only requires a different set of skills. The IT technology
> >> is still not at the level that would eliminate need for
> >> professionals. However, the DBA job itself is dead, just like the job
> >> of a saddle maker. If you want to make a career decision, being an
> Oracle DBA is not a good one.
> Regards
>
> --
> Mladen Gogala
> Database Consultant
> Tel: (347) 321-1217
>
> --
> http://www.freelists.org/webpage/oracle-l
>
>
> --
> http://www.freelists.org/webpage/oracle-l
>
>
> --
Andrew W. Kerber

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

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Received on Sat Nov 11 2017 - 16:58:22 CET

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