Re: pgsql: Introduce replication slots.

On 2014-02-28 19:05:40 +0000, Thom Brown wrote:
> On 1 February 2014 03:50, Robert Haas <rhaas(at)postgresql(dot)org> wrote:
>
> > Introduce replication slots.
> >
> > Replication slots are a crash-safe data structure which can be created
> > on either a master or a standby to prevent premature removal of
> > write-ahead log segments needed by a standby, as well as (with
> > hot_standby_feedback=on) pruning of tuples whose removal would cause
> > replication conflicts. Slots have some advantages over existing
> > techniques, as explained in the documentation.
> >
> > In a few places, we refer to the type of replication slots introduced
> > by this patch as "physical" slots, because forthcoming patches for
> > logical decoding will also have slots, but with somewhat different
> > properties.
> >
>
> So now that I've actually gone to use physical replication slots, I can't
> get them working.

Aw yuck. Try a shorter name. libpqrcv_startstreaming is truncating the
identifier if it's too long...

Patch fixing that attached.

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
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