"Harder, Better, Faster, Stronger": Apache Pinot as a Kafka Consumer and Datastore for Fast On-the-Fly Aggregations

Most of the current distributed systems involve producers that produce ?load of data and external systems or even our end users demand near-real-time aggregated values. As the time span increases (call it lifetime) it becomes a real challenge to retrieve aggregated values based on various dimensions. When we are talking...