Hive is arguably old. It is also undoubtedly useful, even now: 10 years after it was introduced.
The video edition
As promised, the numbering of these posts is now year-indexed.
Managing logging in Spark ain’t easy, and is even harder in managed clouds like Databricks or EMR.
Finishing and posting this got lost in a task manager reorganisation, it was due in June-July.
The last of 2020.