From: Tom Lane <tgl@sss.pgh.pa.us>
To: David G. Johnston <david.g.johnston@gmail.com>
Cc: Hunley, Douglas <douglas.hunley@openscg.com>
Cc: Tim Goodaire <tgoodaire@dyn.com>
Cc: pgsql-admin <pgsql-admin@postgresql.org>
Subject: Re: FSM corruption and standby servers
Date: Mon, 31 Oct 2016 14:19:24 -0400
Message-ID: <23813.1477937964@sss.pgh.pa.us> (raw)
In-Reply-To: <CAKFQuwZkbH9r9bEp6X+9JjE8Q9mcXKDW0sjEJhAX3xBTa-jgGQ@mail.gmail.com>
References: <CABP2sqKiPTUiXEoL1K2FD6dWwFpVNFHC_EhOzTca1miZkHaMsw@mail.gmail.com>
<CAAD=pwHsr-wi1-pvPp3GzBP+f+X3f_KD2TcvMU9rqGqrE6Tt+w@mail.gmail.com>
<20566.1477932936@sss.pgh.pa.us>
<CAKFQuwZkbH9r9bEp6X+9JjE8Q9mcXKDW0sjEJhAX3xBTa-jgGQ@mail.gmail.com>
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"David G. Johnston" <david.g.johnston@gmail.com> writes:
> On Mon, Oct 31, 2016 at 9:55 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I would have thought that the referenced page is clear enough about
>> needing to check the standbys; do you think it isn't?
> I can see how the following is a bit loose for someone not super-familiar
> with WAL.
Yeah. On the other hand, I don't want people who aren't running
replication to stop reading as soon as they see something about standby
servers. I tweaked the existing wording a bit to emphasize that standbys
can be corrupt even with a valid master; hopefully that's enough.
regards, tom lane
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Cc: tgl@sss.pgh.pa.us, david.g.johnston@gmail.com, douglas.hunley@openscg.com, tgoodaire@dyn.com
Subject: Re: FSM corruption and standby servers
In-Reply-To: <23813.1477937964@sss.pgh.pa.us>
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