Re: Logical replication - initial data synchronization - Mailing list pgsql-docs

From Laurenz Albe
Subject Re: Logical replication - initial data synchronization
Date
Msg-id 81ac7c432d4c0559c6489b43fe6984c4c1ee1fd3.camel@cybertec.at
Whole thread Raw
In response to Re: Logical replication - initial data synchronization  (Bruce Momjian <bruce@momjian.us>)
Responses Re: Logical replication - initial data synchronization
Re: Logical replication - initial data synchronization
List pgsql-docs
On Thu, 2024-10-17 at 16:00 -0400, Bruce Momjian wrote:
> > To me,
> >
> > >    When logical replication of a table typically starts, a snapshot is
> > >    taken of the table's data on the publisher database and copied to the
> > >   subscriber
> >
> > Does not clarify that.
> >
> > It's the reason I created this mail: I would like it stated explicitly that the
> > database process takes care of this for us.
>
> Well, you are the first person to report this confusion, and we can't go
> around explaining what Postgres does and does not do in each section.  I
> would need to hear from other people that this is confusing before
> making it explicit.

I for one would have interpreted the passive voice here as meaning that the
database does that automatically.  But perhaps active voice can make it even
clearer:

  Ordinarily, when logical replication of a table starts,
  <productname>PostgreSQL</productname> takes a snapshot of the table's
  data on the publisher database and copies these data to the subscriber

Yours,
Laurenz Albe



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