PROFESSIONAL-DATA-ENGINEER · Question #336
PROFESSIONAL-DATA-ENGINEER Question #336: Real Exam Question with Answer & Explanation
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Question
You are running a Dataflow streaming pipeline, with Streaming Engine and Horizontal Autoscaling enabled. You have set the maximum number of workers to 1000. The input of your pipeline is Pub/Sub messages with notifications from Cloud Storage. One of the pipeline transforms reads CSV files and emits an element for every CSV line. The job performance is low, the pipeline is using only 10 workers, and you notice that the autoscaler is not spinning up additional workers. What should you do to improve performance?
Options
- AEnable Vertical Autoscaling to let the pipeline use larger workers.
- BChange the pipeline code, and introduce a Reshuffle step to prevent fusion.
- CUpdate the job to increase the maximum number of workers.
- DUse Dataflow Prime, and enable Right Fitting to increase the worker resources.
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