Question 276 of 307
Single answerYou created a new version of a Dataflow streaming data ingestion pipeline that reads from Pub/Sub and writes to BigQuery. The previous version of the pipeline that runs in production uses a 5-minute window for processing. You need to deploy the new version of the pipeline without losing any data, creating inconsistencies, or increasing the processing latency by more than 10 minutes. What should you do?
AUpdate the old pipeline with the new pipeline code.
BSnapshot the old pipeline, stop the old pipeline, and then start the new pipeline from the snapshot.
✓CDrain the old pipeline, then start the new pipeline.
DCancel the old pipeline, then start the new pipeline.
✓
Correct Answer: C
Drain the old pipeline, then start the new pipeline.
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Explanation
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