| From: | Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com> | 
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> | 
| Cc: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> | 
| Subject: | Re: logical replication and statistics | 
| Date: | 2017-09-25 17:23:57 | 
| Message-ID: | 8b3adf2e-402a-5795-e543-b72c4935167d@2ndquadrant.com | 
| Views: | Whole Thread | Raw Message | Download mbox | Resend email | 
| Thread: | |
| Lists: | pgsql-hackers | 
On 25/09/17 19:19, Tom Lane wrote:
> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)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.
-- 
  Petr Jelinek                  http://www.2ndQuadrant.com/
  PostgreSQL Development, 24x7 Support, Training & Services
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Joshua D. Drake | 2017-09-25 17:26:20 | Re: Built-in plugin for logical decoding output | 
| Previous Message | Petr Jelinek | 2017-09-25 17:19:52 | Re: Built-in plugin for logical decoding output |