On 01/04/2017 08:44 AM, Tom DalPozzo wrote:
Hi,
Postgres version?
Because in 9.6:
https://www.postgresql.org/docs/9.6/static/functions-admin.html#FUNCTIONS-REPLICATION
Table 9-82. Replication SQL Functions
pg_create_physical_replication_slot(slot_name name [,
immediately_reserve boolean ])
Creates a new physical replication slot named slot_name. The optional
second parameter, when true, specifies that the LSN for this replication
slot be reserved immediately; otherwise the LSN is reserved on first
connection from a streaming replication client. Streaming changes from a
physical slot is only possible with the streaming-replication protocol —
see Section 51.3. This function corresponds to the replication protocol
command CREATE_REPLICATION_SLOT ... PHYSICAL.
I've got my primary and I make a pg_basebackup -x in order to create a
standby.
I can connect my standby only later, in some hours, so I'd like the
master to keep new WALs but I don't like to use archiving nor
keep-segments option. I thought to do it through a physical replication
slot (my standby will have its replication slot name).
So I create a physical replication slot but I see that the master, which
has never seen my standby connected to him, doesn't keep WALs.
Any idea?
Regards
Pupillo
--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx
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