What is HDFS - Hadoop Distributed File System?
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what is the default replication factor in HDFS?
What is IdentityMapper?
What other technologies have you used in hadoop sta ck?
Define a task tracker?
How to enable trash/recycle bin in hadoop?
Define a datanode?
Define streaming?
What is Disk Balancer in Apache Hadoop?
What is a spill factor with respect to the ram?
What is the port number for NameNode
What are the functionalities of jobtracker?
Can NameNode and DataNode be a commodity hardware?
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