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A Slave Node in Your Cluster Has 4 TB Hard

Question 13

Multiple Choice

A slave node in your cluster has 4 TB hard drives installed (4 x 2TB) . The DataNode is configured to store HDFS blocks on all disks. You set the value of the dfs.datanode.du.reserved parameter to 100 GB. How does this alter HDFS block storage?


A) 25GB on each hard drive may not be used to store HDFS blocks
B) 100GB on each hard drive may not be used to store HDFS blocks
C) All hard drives may be used to store HDFS blocks as long as at least 100 GB in total is available on the node
D) A maximum if 100 GB on each hard drive may be used to store HDFS blocks

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