What is the difference between HDFS and NAS ?
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What are the different methods to run Spark over Apache Hadoop?
Does this lead to security issues?
What is the InputFormat ?
What is the Use of SSH in Hadoop ?
Explain Erasure Coding in Apache Hadoop?
What should be the ideal replication factor in Hadoop Cluster?
What is Schema on Read and Schema on Write?
Can Hadoop be compared to NOSQL database like Cassandra?
What is a secondary namenode?
On what basis Namenode will decide which datanode to write on?
What is Disk Balancer in Apache Hadoop?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
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