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Compared to many databases, postgres HA is a mess. It has builtin streaming, but no fail over of any kind, all of that has to be managed by another application.

We've had the best luck with patron, but even then you'll find the documentation confusing, have weird issues, etc. You'll need to setup etcd/Consul to use it. That's right you need a second database cluster to setup your database cluster.... Great...

I have no clue how such a community favorite database has no clear solution to basic HA.

Very true. My sentiments exactly as Spilo/Patroni users. One benefit to k8s is you can use it as the DCS for Patroni

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