Question

A Dataflow Gen2 that loads customer data into a lakehouse has started failing intermittently. The data engineer needs to determine the specific query and error message that caused the most recent failed refresh so it can be fixed. Which action provides the fastest, most detailed root-cause information for the failed run?

Accepted Answer

Open the Dataflow Gen2 refresh history and view the detailed error for the failed refresh, including the failing query and error message

Answer

Enable diagnostic logging on the destination lakehouse and inspect the Delta transaction log

Answer

Review the Capacity Metrics app to check whether the capacity was throttled during the refresh window

Answer

Re-run the entire dataflow with staging disabled and watch the applied-steps preview for errors