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From "Alex (Oleksandr) Diachenko" <odiache...@pivotal.io>
Subject Re: hawq Ambari integration
Date Fri, 03 Mar 2017 00:26:09 GMT
Not really, because HAWQ should be operational even without Ambari(if
that's the case).

On Thu, Mar 2, 2017 at 4:21 PM, Jon Roberts <jroberts@pivotal.io> wrote:

> If that is the case, should we remove the "hawq" CLI?
>
> Jon
>
> On Thu, Mar 2, 2017 at 6:12 PM, Alex (Oleksandr) Diachenko <
> odiachenko@pivotal.io> wrote:
>
> > Hi Jon,
> >
> > I think it was designed that Ambari is supposed to be only one source of
> > true.
> > The whole purpose of integration id to provide a user-friendly interface
> > and avoid manually editing/distributing config files
> > or running CLI commands.
> > The idea of coupling HAWQ master with Ambari doesn't seem to be clean.
> >
> > Regards, Alex.
> >
> > On Thu, Mar 2, 2017 at 4:05 PM, Jon Roberts <jroberts@pivotal.io> wrote:
> >
> > > It would be handy if the "hawq config" also updated Ambari's database
> so
> > > that changes could be made in either place are retained when changes
> are
> > > made in either place.
> > >
> > > Register Ambari:
> > > hawq ambari -u admin -w admin -h myhost -p 8080
> > >
> > > "hawq config" could then raise INFO/WARN messages about updating
> Ambari.
> > >
> > > Example:
> > > hawq config -c hawq_rm_stmt_vseg_memory -v 16gb
> > > INFO: Updated Ambari with hawq_rm_stmt_vseg_memory=16gb
> > > or
> > > hawq config -c hawq_rm_stmt_vseg_memory -v 16gb
> > > WARN: Failed to update Ambari with hawq_rm_stmt_vseg_memory=16gb.
> Please
> > > update Ambari credentials manually to retain this configuration change
> > > after a restart.
> > >
> > > The implementation would require interacting with the Ambari APIs and
> > also
> > > storing the credentials in an encrypted file on the HAWQ Master.
> > >
> > > Thoughts?
> > >
> > >
> > > Jon Roberts
> > > Principal Engineer | jroberts@pivotal.io | 615-426-8661
> > >
> >
>

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