| From: | Dilip Kumar <dilipbalaut(at)gmail(dot)com> |
|---|---|
| To: | shveta malik <shveta(dot)malik(at)gmail(dot)com> |
| Cc: | Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, Nisha Moond <nisha(dot)moond412(at)gmail(dot)com>, "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>, Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Ajin Cherian <itsajin(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Subject: | Re: Synchronizing slots from primary to standby |
| Date: | 2024-01-05 10:55:00 |
| Message-ID: | CAFiTN-vTaWUh0Eq8UpETMk=ZGFEMkD-1gXtosODZeCiCfi92kQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Jan 5, 2024 at 8:59 AM shveta malik <shveta(dot)malik(at)gmail(dot)com> wrote:
>
I was going the the patch set again, I have a question. The below
comments say that we keep the failover option as PENDING until we have
done the initial table sync which seems fine. But what happens if we
add a new table to the publication and refresh the subscription? In
such a case does this go back to the PENDING state or something else?
+ * As a result, we enable the failover option for the main slot only after the
+ * initial sync is complete. The failover option is implemented as a tri-state
+ * with values DISABLED, PENDING, and ENABLED. The state transition process
+ * between these values is the same as the two_phase option (see TWO_PHASE
+ * TRANSACTIONS for details).
--
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com
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