Monitoring replication: pg_stat_replication
How to make sure that your clusters are properly monitored if you use replication. The best way to do so is to use pg_stat_replication.
pg_squeeze: Optimizing PostgreSQL storage
Is your database growing? | Optimize PostgreSQL storage | pg_squeeze has been designed to shrink your database tables without downtime.
Introducing pg_squeeze - a PostgreSQL extension to auto-rebuild bloated tables
pg_squeeze is a PostgreSQL extension implementing a background worker process that can monitor tables and and rebuild them automatically!