Re: Create a logical and physical replication

its possible to cascade a logical replication from a binary slave replica?

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On Tue, Nov 5, 2019 at 11:25 AM Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>
wrote:

> Hello.
>
> At Mon, 4 Nov 2019 19:05:24 +0530, Ashok Kumar Tiwari <
> ashokt(at)ohumhealthcare(dot)com> wrote in
> > is it possible in postgres to create one physical replica for DR(data
> > recovery purpose) and another one logical replica for reporting purpose
>
> A physical replication standby cannot be a publisher. You will find
> that CREATE PUBLICATION fails.
>
> > master --------> physical standby (for DR Purpose)
> > |
> > |
> > |
> > |
> > logical replica for reporting purpose
> >
> > ------------------ or cascading logic replication
> >
> > master --------> physical standby (for DR Purpose) ------------- >
> > logical replica for reporting purpose
>
> The former works (as documented in [1]) but the latter doesn't.
>
>
> By the way, If I'm not missing anything I don't find a description on
> this restriction in the documentation. Shouldn't it be in [2], or
> [1]?
>
> [1]: https://www.postgresql.org/docs/12/logical-replication.html
> [2]:
> https://www.postgresql.org/docs/12/logical-replication-restrictions.html
>
> regards.
>
> --
> Kyotaro Horiguchi
> NTT Open Source Software Center
>

--
Ashok Kumar Tiwari,
Senior Technical Consultant,
ashokt(at)ohumhealthcare(dot)com,
*M*:+91-9657628833

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