When someone asks about Postgres tuning, I always say “it depends”. What “it” is can vary widely but one major factor is the read and write traffic of a Postgres database. Today let’s dig into knowing if your Postgres database is read heavy or write heavy.Of course write heavy or read heavy can largely be inferred from your business logic. Social media app - read heavy. IoT logger - write heavy. But …. Many of us have mixed use applications. Knowing your write and read load can help you make oth...