Is hadoop based on google mapreduce?
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Which command is used for the retrieval of the status of daemons running the hadoop cluster?
What happens to job tracker when namenode is down?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
Define fault tolerance?
What is a “Distributed Cache” in Apache Hadoop?
Which files are used by the startup and shutdown commands?
What is salary of hadoop developer?
What are the two main components of ResourceManager?
Give the use of the bootstrap panel.
What is Hadoop streaming?
What is the full form of fsck?
Can you give us some more details about ssh communication between masters and the slaves?
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