How to use Apache Zookeeper command line interface?
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How many instances of a jobtracker run on hadoop cluster?
Explain the use of tasktracker in the hadoop cluster?
What does ‘jps’ command do?
What is the function of ApplicationMaster?
Which one is default InputFormat in Hadoop ?
What is Input Split in hadoop?
What do masters consist of?
What is the jobtracker and what it performs in a hadoop cluster?
Can we do online transactions(oltp) using hadoop?
Explain the features of pseudo mode?
Explain what if rack 2 and datanode fails?
Main Components of Hadoop?
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