Vidyalelo
Hadoop · Q25

Best Practices and Optimization of Hadoop

Programming · Hadoop · question 25

Q25

What is Hadoop's speculative execution policy for reducing job completion times?

A.
Speculatively run tasks that are likely to finish slower
Answer
B.
Speculatively run tasks that are likely to finish faster
C.
Speculatively run tasks randomly
D.
Do not use speculative execution

Answer: Option A

Solution

Answer: Option A
No explanation is given for this question Let's Discuss on Board