On Wed, Sep 06, 2017 at 08:22:14AM -0700, Steve Atkins wrote:
> > On Sep 6, 2017, at 6:00 AM, Marcin Giedz <marcin.gi...@arise.pl> wrote:
> > 
> > Hi, is there any way (3rd party software) to replicate particular 
> > schema/table not the whole database with streaming replication built-in 
> > mechanism ?
> 
> I don't believe so. You can do that with logical replication in v10 -
> https://www.postgresql.org/docs/10/static/logical-replication.html.

Well, session_replication_role exists so that you can implement your own
logical replication, and with that you can have full control over what
to replicate and what not replicate.  There is no builtin functionality
that does this.  Third-party software?  Try this search and similar in
other engines:

https://github.com/search?utf8=%E2%9C%93&q=session_replication_role+extension%3Asql&type=Code&ref=advsearch&l=&l=

> pglogical will give you much the same functionality on current
> releases. https://www.2ndquadrant.com/en/resources/pglogical/ -
> installation isn't too painful (though the docs are a little sparse
> when it comes to which node you should run which command on. Make the
> postgres.conf changes on master and slave nodes, as slave nodes need
> replication slots too(?)).
> 
> There are a bunch of trigger-based replication frameworks that'll work
> too, though less efficiently - Slony is widely used, and I used
> Bucardo successfully for years before moving to pglogical.

Yeah.


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