On Thu, 30 May 2019 at 20:13, Andres Freund <andres@anarazel.de> wrote:
>
> Hi,
>
> On 2019-05-30 19:46:26 +0530, Amit Khandekar wrote:
> > @@ -1042,7 +1042,8 @@ ReplicationSlotReserveWal(void)
> > if (!RecoveryInProgress() && SlotIsLogical(slot))
> > {
> > ....
> > }
> > else
> > {
> > - restart_lsn = GetRedoRecPtr();
> > + restart_lsn = SlotIsLogical(slot) ?
> > + GetXLogReplayRecPtr(&ThisTimeLineID) : GetRedoRecPtr();
> >
> > But then when I do pg_create_logical_replication_slot(), it hangs in
> > DecodingContextFindStartpoint(), waiting to find new records
> > (XLogReadRecord).
>
> But just till the primary has logged the necessary WAL records? If you
> just do CHECKPOINT; or such on the primary, it should succeed quickly?
Yes, it waits until there is a commit record, or (just tried) until a
checkpoint command.
>
> Greetings,
>
> Andres Freund
--
Thanks,
-Amit Khandekar
EnterpriseDB Corporation
The Postgres Database Company