I work in the Database industry and have enjoyed these posts this year.

- https://arctype.com/blog/postgres-notify-for-real-time-dashb...

- https://heap.io/blog/speeding-up-postgresql-queries-with-par...

- https://blog.timescale.com/blog/how-postgresql-aggregation-w...

- https://blog.crunchydata.com/blog/understanding-postgres_fdw