Why do we need a password-less ssh in fully distributed environment?
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Mention what is the number of default partitioner in Hadoop?
Is map like a pointer?
What is the jobtracker and what it performs in a hadoop cluster?
How the HDFS Blocks are replicated?
Explain why do we need hadoop?
What is Partioner in hadoop? Where does it run
What is HDFS ? How it is different from traditional file systems?
What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
what should be the ideal replication factor in hadoop?
Does google use hadoop?
Can hbase run without hadoop?
What do you understand from Node redundancy and is it exist in hadoop cluster?
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