Cloudera Hadoop Interview Questions
- What is rack awareness? And why is it necessary?
- What is the default block size and how is it defined?
- How do you get the report of hdfs file system? About disk availability and no.of active nodes?
- What is Hadoop balancer and why is it necessary?
- Difference between Cloudera and Ambari?
- What are the main actions performed by the Hadoop admin?
- What is Kerberos?
- What is the important list of hdfs commands?
- How to check the logs of a Hadoop job submitted in the cluster and how to terminate already running process?
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