Re: Re: Slave enters in recovery and promotes when WAL stream with master is cut + delay master/slave
Heikki Linnakangas <hlinnakangas@vmware.com>
From: Heikki Linnakangas <hlinnakangas@vmware.com>
To: Andres Freund <andres@2ndquadrant.com>
Cc: Michael Paquier <michael.paquier@gmail.com>, Alvaro Herrera <alvherre@2ndquadrant.com>, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Date: 2013-01-17T16:33:42Z
Lists: pgsql-hackers
On 17.01.2013 17:42, Andres Freund wrote: > Ok, the attached patch seems to fix a) and b). c) above is bogus, as > explained in a comment in the patch. I also noticed that the TLI check > didn't mark the last source as failed. This looks fragile: > /* > * We only end up here without a message when XLogPageRead() failed > * - in that case we already logged something. > * In StandbyMode that only happens if we have been triggered, so > * we shouldn't loop anymore in that case. > */ > if (errormsg == NULL) > break; I don't like relying on the presence of an error message to control logic like that. Should we throw in an explicit CheckForStandbyTrigger() check in the condition of that loop? - Heikki
Commits
-
Use the right timeline when beginning to stream from master.
- 2ff65553131d 9.3.0 cited
-
Split out XLog reading as an independent facility
- 7fcbf6a405ff 9.3.0 cited