[pgpool-general: 8649] Re: Clients disconnection when slave node is off

[Jesús Campoy]

Ok, I will send you the log ASAP.
I forget to indicate that we are running two instances of pgpool using
watchdog and VIP.

I mean, in host A is running pgpool (active) and primary database. In host
B is running the other instance of pgpool and the standby database.
Sometimes I have to power off the host B and then, the clients connected to
pgpool in VIP are disconnected.

I have the same pgpool.conf for both pgpool instances. Do you need It?

Thanks for your help!

Best,
Jesús

El jue, 16 mar 2023 12:42, Tatsuo Ishii <ishii at sraoss.co.jp> escribió:

> > I have a problem with clients disconnection when the slave node is turn
> > off.  It would be great if someone could help me with this issue.
> >
> >
> >
> > My environment is:
> >
> >
> >
> >    - OS: RHEL 5.7
> >    - Postgres 11
> >    - streaming replication as redundancy mode
> >    - In one server runs pgpool and the primary database (node 0), in
> >    another server runs the standby database (node 1).
> >    - Load balance mode is disabled
> >    - Both backend weight with default value
> >
> >
> > I have a great number of clients connected to pgpool. The problem ocurrs
> > when the slave node is stopped (because sometimes I need to power off the
> > slave host). All clients are disconnected. Is there a way to avoid these
> > disconnection?
>
> In most cases client connections should not be disconnected when the
> standby node goes down in this configuration. Can you share the pgpool
> log when the standby goes down?
>
> Best reagards,
> --
> Tatsuo Ishii
> SRA OSS LLC
> English: http://www.sraoss.co.jp/index_en/
> Japanese:http://www.sraoss.co.jp
>
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