Re: [HACKERS] logical replication and statistics

On 25/09/17 19:19, Tom Lane wrote:
> Pavel Stehule <pavel.stehule@gmail.com> writes:
>> I had two instances on one server with different port. I am sure, so
>> replication was functional. Only one issue is statistics
>
>> Master:
>
>> CREATE TABLE foo(id int primary key, a int);
>> CREATE PUBLICATION test_pub FOR TABLE foo;
>> INSERT INTO foo VALUES(1, 200);
>
>> slave
>
>> CREATE TABLE foo(id int primary key, a int);
>> CREATE SUBSCRIPTION test_sub CONNECTION 'port=5432' PUBLICATION test_pub;
>
>> That was all
>
> In this example, nothing's been done yet by the actual replication
> apply process, only by the initial table sync.  Maybe that accounts
> for your not seeing stats?
>

The main replication worker should still be running though. The output
of pg_stat_replication should only be empty if there is nothing running.

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