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From: Sergey Burladyan <eshkinkot@gmail.com>
To: Bruce Momjian <bruce@momjian.us>
Cc: Amit Kapila <amit.kapila16@gmail.com>
Cc: Vladimir Borodin <root@simply.name>
Cc: Dmitriy Sarafannikov <dsarafannikov@yandex.ru>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: Broken hint bits (freeze)
Date: Fri, 16 Jun 2017 20:33:48 +0300
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Bruce Momjian <bruce@momjian.us> writes:

> On Fri, Jun 16, 2017 at 08:10:13PM +0530, Amit Kapila wrote:
> > On Fri, Jun 16, 2017 at 7:03 AM, Sergey Burladyan <eshkinkot@gmail.com> wrote:
> > > Bruce Momjian <bruce@momjian.us> writes:
> > >
> > >> !      against the old primary and standby clusters.  Verify that the
> > >> !      <quote>Latest checkpoint location</> values match in all clusters.
> > >
> > > For "Log-Shipping only" standby server this cannot be satisfied, because
> > > last WAL from master (with shutdown checkpoint) never archived.
> > >
> > 
> > Yeah, we have ensured that all the transactions before shutdown
> > checkpoint got archived.  It is done in commit
> > 2e6107cb621d003dcab0df53ac8673ea67c4e467.  However, it is not clear to
> > me neither it is mentioned in comments why we have done it that way.
>
> Yes, I am confused why Sergey doesn't see that behavior.

I think this last new switched WAL with shutdown checkpoint record is
incomplete and it does not marked as *.ready in pg_xlog/archive_status/
and not archived.

-- 
Sergey Burladyan


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