[lmm]

If you want to be high-availability then you need sharding or something like it from day 1. There's still no first-class way of running PostgreSQL that doesn't give you at least a noticeable write outage from a single-machine failure.

[hans_castorp]

> If you want to be high-availability then you need sharding or something like it from day 1

Sharding has nothing to do with high-availability.