Am 15.08.2017 um 05:15 schrieb Alex Samad:
Hi
Quick question. I have a 2 node cluster - each node has its own ip.
But from reading this, I really need a 3rd ip, which potentially
floats between the nodes to which ever is the master / rw node.
Is that right? Sort of makes sense I guess
That's one way to solve that problem. If you are using repmgr/repmgrd
you can call own commands on events like failover. And, if you are using
pgbouncer or connection-pooling you can change the config for pgbouncer
(redefine the databases and there connection strings) and reload
pgbouncer. You can do that with the event-notification commands defined
in your repmgr-config.
Other solution: with some Java-drivers you can define several databases
and checks (if the database read-only or rw), the next PostgreSQL 10
will offer a similar feature.
PS.: please don't top-posting.
Regards, Andreas
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