This sounds like it could be related to the size of the result set or the way the internal stage handles large downloads, rather than the federation itself. If smaller query results download successfully while larger ones fail, I’d compare the file s...
It sounds more like a cluster/driver initialization or resource issue than a Python problem, especially because even SELECT 1 hangs.I’d check these first:Look at the Driver logs and Event log for errors around the first notebook execution. Databricks...
