"Your company has the following datasets it needs to store in HDFS: $[3]$

Structured transactional data in a database totaling $1$TB

Semi$-$structured JSON web logs totaling $20$TB

Unstructured text documents totaling STB

The cluster has $10$ data nodes with $4$TB capacity each.

How would you configure the following HDFS parameters for optimal storage and cluster

utilization: Block size. Replication factor?"