| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Sergey Konoplev <gray(dot)ru(at)gmail(dot)com>, matioli(dot)matheus(at)gmail(dot)com, pgsql-bugs <pgsql-bugs(at)postgresql(dot)org>, Maxim Boguk <maxim(dot)boguk(at)gmail(dot)com>, Максим Панченко <Panchenko(at)gw(dot)tander(dot)ru>, Сизов Сергей Павлович <sizov_sp(at)gw(dot)tander(dot)ru> |
| Subject: | Re: Hot standby 9.2.6 -> 9.2.6 PANIC: WAL contains references to invalid pages |
| Date: | 2014-01-13 22:04:40 |
| Message-ID: | 20140113220440.GE5838@awork2.anarazel.de |
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| Lists: | pgsql-bugs pgsql-hackers |
On 2014-01-13 23:29:59 +0200, Heikki Linnakangas wrote:
> On 01/13/2014 11:02 PM, Andres Freund wrote:
> >Now, you could argue that that shouldn't be the case because we're only
> >entering that codepath once STANDBY_SNAPSHOT_READY and you might be
> >right...
>
> I don't think that saves us. standbyMode can be STANDBY_SNAPSHOT_READY,
> before we reach consistency. Adding a check for reachedConsistency, though,
> ought to fix it.
Maybe we should just put LocalHotStandbyActive into xlog_internal.h?
That'd be enough for the startup process. Or alternatively add a check
for EnableHotStandby into HotStandbyActive() so we don't take the
spinlock if it's not enabled?
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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