Question

Point out the correct statement.

(a) The minimum split size is usually 1 byte, although some formats have a lower bound on the split size

(b) Applications may impose a minimum split size

(c) The maximum split size defaults to the maximum value that can be represented by a Java long type

(d) All of the mentioned

This question was posed to me in class test.

My question comes from Mapreduce Formats topic in section MapReduce Types and Formats of Hadoop

Answer 1

The correct choice is (a) The minimum split size is usually 1 byte, although some formats have a lower bound on the split size

For explanation: The maximum split size has an effect only when it is less than the block size, forcing splits to be smaller than a block.