| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, 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 21:43:45 |
| Message-ID: | 19746.1389649425@sss.pgh.pa.us |
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| Lists: | pgsql-bugs pgsql-hackers |
Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> On 2014-01-13 16:25:48 -0500, Tom Lane wrote:
>> If we did, then either the master would also have failed (so we'd not
>> be here), or there's a discrepancy between master and slave data,
>> in which case we've got bigger problems than this.
> If we crashed during replay and then restart replaying it might, at
> least without the STANDBY_SNAPSHOT_READY check. I think.
Perhaps, but the code in question isn't needed during crash recovery, only
during hot standby; so modulo the possibility that the check for that is
broken, I don't see a problem.
regards, tom lane
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