Consider a Hadoop job that processes an input data file of size equal to 38 disk blocks (38 different blocks, you can assume that HDFS replication factor is set to 1). The mapper in this job requires 1 minute to read and fully process a single block of data. For the purposes of this assignment, you can assume that the reduce part of this job takes zero time.

Approximately how long will it take to process the file if you only had one Hadoop worker node? You can assume that that only one mapper is created on every node.

Redo with:

20 worker nodes

50 worker nodes

75 worker nodes

Do calculations please

Thank you