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You could have the single node cluster where proxy is installed monitored by one of the tools like cloudwatch, azure monitor, datadog etc and have it configured to send alerts on node failure

Didin't get the reference about installing bucket ? did you mean configured a workspace with root bucket. If so, you'd have probably gathered that root storage for a workspace resides in customer's account

Delta cache accelerates data reads by creating copies of remote files in nodes’ local storage using a fast intermediate data format. The data is cached automatically whenever a file has to be fetched from a remote location. Successive reads of the sa...

You can easily convert a Delta table back to a Parquet table using the following steps:If you have performed Delta Lake operations that can change the data files (for example, delete or merge, run vacuum with retention of 0 hours to delete all data f...

The above exception happens when the hive schema is not available in the metastore instance. Please check in your init scripts to make sure the following flag is enabled to create hive Schema and tables if not already present. datanucleus.autoCreateA...

Databricks notebooks can be exported and stored in S3 or any other object storage. The internal storage of the databricks notebook cannot be changed or configured. The implementation is internal to Databicks control plane and not user configurable.

No, you will still be able to time travel to versions previous to the OPTIMIZE command. OPTIMIZE is just another transaction like MERGE, UPDATE, etc. Check out these docs to learn more about retention periods and the VACUUM command.

You can use the SKIM APIs. Endpoint: https://docs.databricks.com/dev-tools/api/latest/scim/scim-users.html#get-users Or you can use the Workspace API. The workspace API does not have a direct list users command, but you can use the workspace API to l...