[ClusterLabs] Antw: [EXT] Re: Community adoption of PAF vs pgsql

[Ulrich Windl]

>>> Reid Wahl <nwahl at redhat.com> schrieb am 26.03.2021 um 20:39 in Nachricht
<CAPiuu9_-mdGZX-SuMvn2xrgc8xKtgR6tBYi26kbBvDirx14kww at mail.gmail.com>:
> 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).
> 

Years ago I used a configuration that wasn't supported, while the supported one did not work, so we sticked with the working version. Support didn't interfere as it was less work for them ;-)

> 
> 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