Question

Your team runs a Vertex AI Pipeline that retrains a model. Business analysts periodically upload a new curated training CSV to a specific Cloud Storage bucket, and the pipeline must run automatically each time a new file lands in that bucket—without any manual intervention or a fixed schedule. Which approach best implements this event-driven triggering?

Accepted Answer

Configure an Eventarc trigger on the bucket's object-finalized event that invokes a Cloud Function (or Cloud Run service) which calls the Vertex AI Pipelines API to submit a new pipeline run.

Answer

Create a Vertex AI Pipelines recurring schedule with a cron expression set to run every 15 minutes and add a first component that checks whether a new file exists.

Answer

Enable component caching in the pipeline so that it automatically re-executes whenever the input artifact hash changes.

Answer

Use Cloud Scheduler to send a Pub/Sub message hourly that triggers the pipeline regardless of whether a new file has arrived.