Cloudera
CCA-500 · Question #35
Choose three reasons why should you run the HDFS balancer periodically?
The correct answer is C. To help HDFS deliver consistent performance under heavy loads D. To ensure that there is consistent disk utilization across the DataNodes E. To improve data locality MapReduce. periodically-Why-Choose-3
Resource Management
Question
Choose three reasons why should you run the HDFS balancer periodically?
Options
- ATo ensure that there is capacity in HDFS for additional data
- BTo ensure that all blocks in the cluster are 128MB in size
- CTo help HDFS deliver consistent performance under heavy loads
- DTo ensure that there is consistent disk utilization across the DataNodes
- ETo improve data locality MapReduce
How the community answered
(16 responses)- A6% (1)
- B25% (4)
- C69% (11)
Explanation
periodically-Why-Choose-3
Topics
#HDFS balancer#data locality#disk utilization#cluster performance
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