Databricks

Are renaming and dropping columns Databricks proprietary methods?How does it work under the hood, and does enabling the feature render lazy loading ineffective?Ref: Do Delta Lake and Parquet Share Partition Strategy? 

Does anyone know when serverless SQL will be available for ap-southeast-1 region?

I am trying to troubleshoot why spill occurred during DeltaOptimizeWrite. I am running a 64-core cluster with 256 GB RAM, which I expect to be handle this amount data (see attached DAG).

We started noticing the problem about 3 weeks ago. Databricks' Git GUI fails to commit only the selected files. All the files that have been modified, added or removed since that last commit will get checked in even if it de-selected in the GUI.Has ...

On Feb 8 Singapore time, our Singapore workspace displayed a blank page (no interface or content) after login. Meanwhile our workspace in Tokyo reason worked normally. This lasted whole day and none of our troubleshooting yielded any clues. Then ever...