What are the different methods to run Spark over Apache Hadoop?
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Why password is needed in ssh localhost?
What if rack 2 and datanode fails?
Why do we need a password-less ssh in fully distributed environment?
Virtual Box & Ubuntu Installation?
What are the network requirements for using hadoop?
What are the Basics of Hadoop?
Explain the use of tasktracker in the hadoop cluster?
What other technologies have you used in hadoop sta ck?
What is HDFS ? How it is different from traditional file systems?
What is speculative execution in Hadoop?
What are the port numbers of namenode, job tracker and task tracker?
How many instances of tasktracker run on a hadoop cluster?
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