What is the smallest number of slave nodes you would need to configure in your hadoop cluster to store 100TB of data, using Hadoop default replication values, on nodes with 10TB of RAW disk space…

The correct answer is D. 40. Default replication value is 3. The minimum number of nodes needed are: 100 x 3 /10 = 30 The closest answer is here D (40).

Deployment

Question

What is the smallest number of slave nodes you would need to configure in your hadoop cluster to store 100TB of data, using Hadoop default replication values, on nodes with 10TB of RAW disk space per node?

Options

A100
B25
C10
D40
E75

How the community answered

(23 responses)

A
4% (1)
B
4% (1)
C
13% (3)
D
78% (18)

Explanation

Default replication value is 3. The minimum number of nodes needed are: 100 x 3 /10 = 30 The closest answer is here D (40).

Topics

#HDFS replication#cluster sizing#storage planning#capacity

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