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H13-723_V2.0 · Question #53
H13-723_V2.0 Question #53: Real Exam Question with Answer & Explanation
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Question
In Spark, assuming that lines is a DStream object, the filter statement can filter out 80% of the data. Which statement is correct for the following two statements: X: lines.filter(...).groupByKey(...) Y: lines.groupByKey(...).filter(...)
Options
- AX has higher performance than Y
- BX has lower performance than Y
- CX and Y have the same performance
- DIt is impossible to determine the performance difference between X and Y
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