[ClusterLabs] Community adoption of PAF vs pgsql

[Reid Wahl]

If you have an enterprise support agreement, be sure to also explore
whether your vendor supports one and not the other. For example, Red Hat
currently supports pgsql but not PAF (though there is an open BZ to add
support for PAF).


On Fri, Mar 26, 2021 at 9:14 AM Jehan-Guillaume de Rorthais <jgdr at dalibo.com>
wrote:

> Hi,
>
> I'm one of the PAF author, so I'm biased.
>
> On Fri, 26 Mar 2021 14:51:28 +0000
> Isaac Pittman <isaac.pittman at hitachivantara.com> wrote:
>
> > My team has the opportunity to update our PostgreSQL resource agent to
> either
> > PAF (https://github.com/ClusterLabs/PAF) or pgsql
> > (
> https://github.com/ClusterLabs/resource-agents/blob/master/heartbeat/pgsql
> ),
> > and I've been charged with comparing them.
>
> In my opinion, you should spend time to actually build some "close-to-prod"
> clusters and train them. Then you'll be able to choose base on some team
> experience.
>
> Both agent have very different spirit and very different administrative
> tasks.
>
> Break your cluster, make some switchover, some failover, how to failback a
> node
> and so on.
>
> > After searching various mailing lists and reviewing the code and
> > documentation, it seems like either could suit our needs and both are
> > actively maintained.
> >
> > One factor that I couldn't get a sense of is community support and
> adoption:
> >
> >   *   Does PAF or pgsql enjoy wider community support or adoption,
> especially
> > for new projects? (I would expect many older projects to be on pgsql due
> to
> > its longer history.)
>
> Sadly, I have absolutely no clues...
>
> >   *   Does either seem to be on the road to deprecation?
>
> PAF is not on its way to deprecation, I have a pending TODO list for it.
>
> I would bet pgsql is not on its way to deprecation either, but I can't
> speak
> for the real authors.
>
> Regards,
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-- 
Regards,

Reid Wahl, RHCA
Senior Software Maintenance Engineer, Red Hat
CEE - Platform Support Delivery - ClusterHA
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