On 25/09/17 19:26, Tom Lane wrote:
> Alvaro Hernandez <a...@ongres.com> writes:
>> In my opinion, logical decoding plugins that don't come with core 
>> are close to worthless (don't get me wrong):
>> - They very unlikely will be installed in managed environments (an area 
>> growing significantly).
>> - As anything that is not in core, raises concerns by users.
>> - Distribution and testing are non-trivial: many OS/archs combinations.
> The problem with this type of argument is that it leads directly to the
> conclusion that every feature users want must be in core.  We can't
> accept that conclusion, because we simply do not have the manpower or
> infrastructure to maintain a kitchen-sink, Oracle-sized code base.
> I think we're already more or less at the limit of the feature set we can
> deal with :-(.  The entire point of the output-plugin design was to allow
> useful replication stuff to be done outside of core; we need to make use
> of that.  (If that means we need better docs, then yeah, we'd better get
> that part done.)

There is already about 3 million output plugins out there so I think we
did reasonable job there. The fact that vast majority of that are
various json ones gives reasonable hint that we should have that one in
core though.

  Petr Jelinek                  http://www.2ndQuadrant.com/
  PostgreSQL Development, 24x7 Support, Training & Services

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