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PROFESSIONAL-DATA-ENGINEER · Question #345
PROFESSIONAL-DATA-ENGINEER Question #345: Real Exam Question with Answer & Explanation
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Submitted by alyssa_d· Mar 30, 2026Building and operationalizing data processing systems
Question
You maintain ETL pipelines. You notice that a streaming pipeline running on Dataflow is taking a long time to process incoming data, which causes output delays.
Options
- BInsert output sinks after each key processing step, and observe the writing throughput of each block.
- CLog debug information in each ParDo function, and analyze the logs at execution time.
- DVerify that the Dataflow service accounts have appropriate permissions to write the processed data to the output sinks.
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Topics
#Dataflow#Streaming pipelines#Performance troubleshooting#ETL