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>, hlinnakanga@awork2.anarazel.de, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Date: 2013-01-17T15:18:14Z
Lists: pgsql-hackers
On 17.01.2013 15:05, Andres Freund wrote: > On 2013-01-17 13:47:41 +0900, Michael Paquier wrote: >> I think that bug has been introduced by commit 7fcbf6a. >> Before splitting xlog reading as a separate facility things worked >> correctly. >> There are also no delay problems before this commit. > > Ok, my inkling proved to be correct, its two related issues: > > a ) The error handling in XLogReadRecord is inconsistent, it doesn't > always reset the necessary things. > > b) ReadRecord: We cannot not break out of the retry loop in readRecord > just so, just removing the break seems correct. > > c) ReadRecord: (minor): We should log an error even if errormsg is not > set, otherwise we wont jump out far enough. > > I think at least a) and b) is the result of merges between development > of different people, sorry for that. Got a patch? - 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