[pgpool-hackers: 4115] Re: Failover on starting up

[anirudh.goel at cern.ch]

Thank you Tatsuo for your reply but can’t pgpool setup the other resources regardless of the primary being up and then perform the failover?

I need this behaviour because I cannot pgpool in cluster mode due to infrastructure limitations.

Cheers

Anirudh
On 6 Feb 2022, 1:51 AM +0100, Tatsuo Ishii <ishii at sraoss.co.jp>, wrote:
> > Hello
> >
> > I have a setup with 1 pgpool and 2 postgresql primary-replica nodes.
> >
> > I am testing a certain scenario - what if the pgpool goes down, then the primary goes down and then the pgpool comes back up.
> >
> > I was expecting that pgpool would perform a failover after it comes back up but instead it says this:
> > 2022-02-04 16:48:53: pid 9: LOG: Pgpool-II parent process has received failover request
> > 2022-02-04 16:48:53: pid 9: LOG: ignoring the failover request, since we are still starting up
> >
> > So my question is, is there a parameter or some way that we can tell pgpool to perform a failover if the primary is down while pgpool is starting up?
> >
> > I tried looking at the code but according to https://github.com/pgpool/pgpool2/blob/master/src/main/pgpool_main.c#L1329, I don¢t see a parameter other than processState.
> >
> > Is there a logical reason why pgpool cannot/won't perform a failover during startup?
>
> Because pgpool needs to setup various resouses including shared memory
> and others for managing failover.
>
> Best reagards,
> --
> Tatsuo Ishii
> SRA OSS, Inc. Japan
> English: http://www.sraoss.co.jp/index_en.php
> Japanese:http://www.sraoss.co.jp
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.pgpool.net/pipermail/pgpool-hackers/attachments/20220206/180e3fdc/attachment.htm>