Does Hadoop requires RAID?
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What is a 'block' in HDFS?
What is the port number for NameNode
What is HDFS Federation?
Which are the two types of 'writes' in HDFS?
What are the benefits of block transfer?
On what basis Namenode will decide which datanode to write on?
Explain how can we change the split size if our commodity hardware has less storage space?
What is Row Key?
What are the different methods to run Spark over Apache Hadoop?
Can you tell us more about ssh?
What is the difference between traditional RDBMS and Hadoop?
Can hbase run without hadoop?
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