You are supporting a customer’s cluster with 3 node pools consisting of 10 S200 nodes, 18 X400 nodes, and 30 NL400 nodes. The customer is going to write a large number of 4MB files to the X400 node pool. The customer is very concerned about minimizing the amount of overhead.
Which setting would be best for minimizing the amount of overhead?
A . N+2:1 or N+2 have the same amount of overhead.
B . N+2:1 will have less overhead.
C . I/O optimization should be set to Random.
D . I/O optimization should be set to Streaming
Answer: A