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CERTIFIED-DATA-ENGINEER-PROFESSIONAL · Question #51
CERTIFIED-DATA-ENGINEER-PROFESSIONAL Question #51: Real Exam Question with Answer & Explanation
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Monitoring and Optimization
Question
Where in the Spark UI can one diagnose a performance problem induced by not leveraging predicate push-down?
Options
- AIn the Executor's log file, by gripping for "predicate push-down"
- BIn the Stage's Detail screen, in the Completed Stages table, by noting the size of data read from
- CIn the Storage Detail screen, by noting which RDDs are not stored on disk
- DIn the Delta Lake transaction log. by noting the column statistics
- EIn the Query Detail screen, by interpreting the Physical Plan
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Topics
#Spark UI#Query Optimization#Predicate Pushdown#Performance Tuning