Welcome back to the second part of the series on Druid ingestion internals. In my previous post Demystifying Druid - Streaming ingestion internals - Supervisors we went through the internals of a Supervisor. As discussed previously, the supervisor is just an orchestrator that manages the ingestion tasks that eventually read from the streams. In this one, I want to dive deeper into what these tasks look like and what makes them ingest rows after rows of data.
