How hdfa differs with nfs?
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What are the benefits of block transfer?
What happens to job tracker when namenode is down?
Knox and Hadoop Development Tools?
What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
What are the modules that constitute the Apache Hadoop 2.0 framework?
Explain what is the purpose of RecordReader in Hadoop?
Explain the hadoop configuration files at present?
what factors the block size takes before creation?
What are the different methods to run Spark over Apache Hadoop?
What is the difference between Apache Hadoop and RDBMS?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
what is the default replication factor in HDFS?
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