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(...)

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(...)

Accepted Answer

A. X has higher performance than Y

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B. X has lower performance than Y

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C. X and Y have the same performance

Answer

D. It is impossible to determine the performance difference between X and Y

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…

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