[pgpool-general: 6828] Re: Using standby pgpool instances
Muhammad Usama
m.usama at gmail.com
Tue Jan 28 02:17:24 JST 2020
Hi
The quick answer is you don’t need a virtual-IP if your setup doesn’t need one, and you can connect to standby pgpool without any problem
Thanks
Best regards
Muhammad Usama
Sent from my iPhone
> On 27-Jan-2020, at 5:33 PM, Frodo Looijaard <frodo at frodo.looijaard.name> wrote:
>
> Hello,
>
> I am wondering whether we need a floating IP when using multiple pgpool
> instances with the watchdog (pgpool-II-4.1.0).
>
> It seems you can just connect with a non-master pgpool instance.
>
> Can we expect trouble when we connect to a non-master pgpool node? Can we
> expect trouble when some connections use the master node and others at the
> same time use a non-master node, accessing the same Postgres database?
>
> If this can safely be done, we would not need a floating IP; it would
> suffice to add all pgpool-nodes as alternatives to a JDBC-URL.
>
> If this is not safe, would it not be a nice feature to (perhaps optionally)
> disable connections to non-master pgpool nodes?
>
> Thanks for your time,
> Frodo Looijaard
>
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