Which of the following will cause the greatest reduction in disk size requirements for a cluster of N indexers running Splunk Enterprise Security?

A. Setting the cluster search factor to N-1.
B. Increasing the number of buckets per index.
C. Decreasing the data model acceleration range.

D. Setting the cluster replication factor to N-1.

Reference: https://docs.splunk.com/Documentation/Splunk/7.3.2/Indexer/Systemrequirements