Re: Meaning of srsubstate values in pg_subscription_rel

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: Lev Kokotov <lev(dot)kokotov(at)instacart(dot)com>, pgsql-admin(at)lists(dot)postgresql(dot)org
Subject: Re: Meaning of srsubstate values in pg_subscription_rel
Date: 2019-05-23 04:17:27
Message-ID: cf39d2bbb706c4e79eb9b31139b0fc42a7b829f2.camel@cybertec.at
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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

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