Investigate replacements for WAL-E
WAL-G is a next generation replacement for WAL-E written in Go by Citus (who now employs the author of WAL-E).
https://www.citusdata.com/blog/2017/08/18/introducing-wal-g-faster-restores-for-postgres/ https://github.com/wal-g/wal-g
It currently doesn't support WAL prefetching or GPG encryption which I believe re critical for our usage so this is probably still premature for us but we'll probably want to move at some point in the future.
Also PGBackrest:
Edited by Gregory Stark