In detail, we will present the various tools making the PoWA stack, and how they truly shine when used together. This will include: - presentation of pgqualstats, pgstat_kcache, hypopg - presentation of powa-archivist, the stats aggregator - use cases where PoWA can provide exactly the kind of information that is hard to reach for the DBA - how does the global workload index suggestion works - future developments, and where this will take us.