Message-ID: <cf39d2bbb706c4e79eb9b31139b0fc42a7b829f2.camel@cybertec.at>
Subject: Re: Meaning of srsubstate values in pg_subscription_rel
From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Lev Kokotov <lev.kokotov@instacart.com>, pgsql-admin@lists.postgresql.org
Date: Thu, 23 May 2019 06:17:27 +0200
In-Reply-To: <A7FB58FA-3C2F-4659-9621-C1329B60797F@instacart.com>
References: <A7FB58FA-3C2F-4659-9621-C1329B60797F@instacart.com>
Organization: Cybertec
Content-Type: text/plain; charset="UTF-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Lev Kokotov wrote:
> We are subscribing to a publication with multiple tables. What would cause a subscription
> state to stay in “synchronizing” (`s`) and not move into “replicating” (`r`) during logical
> replication? I’m querying the `pg_subscription_rel` view.
> Also, what is the meaning of each state (i.e. initialize, synchronized, data is being
> copied, and ready); what is Postgres doing in each state?
> 
> I’m using https://www.postgresql.org/docs/10/catalog-pg-subscription-rel.html as reference.

Is the state "s" (which means "synchroniz*ed*", not "synchroniz*ing*") shown
for all tables in the subscription?

Do you see any pertinent log messages on the standby server?

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com