PROFESSIONAL-DATA-ENGINEER · Question #219
PROFESSIONAL-DATA-ENGINEER Question #219: Real Exam Question with Answer & Explanation
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Question
You are running a pipeline in Cloud Dataflow that receives messages from a Cloud Pub/Sub topic and writes the results to a BigQuery dataset in the EU. Currently, your pipeline is located in europe-west4 and has a maximum of 3 workers, instance type n1-standard-1. You notice that during peak periods, your pipeline is struggling to process records in a timely fashion, when all 3 workers are at maximum CPU utilization. Which two actions can you take to increase performance of your pipeline? (Choose two.)
Options
- AIncrease the number of max workers
- BUse a larger instance type for your Cloud Dataflow workers
- CChange the zone of your Cloud Dataflow pipeline to run in us-central1
- DCreate a temporary table in Cloud Bigtable that will act as a buffer for new data.
- ECreate a temporary table in Cloud Spanner that will act as a buffer for new data.
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