Question

Which of the following parameter is the threshold for the accounting and serialization buffers?

(a) io.sort.spill.percent

(b) io.sort.record.percent

(c) io.sort.mb

(d) None of the mentioned

The question was posed to me by my college director while I was bunking the class.

My query is from MapReduce Features in division Developing a MapReduce Application of Hadoop

Answer 1

Right answer is (a) io.sort.spill.percent

For explanation I would say: When the percentage of either buffer has filled, their contents will be spilled to disk in the background.