What are the core components of Apache Hadoop?
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What are the modes in which Apache Hadoop run?
how would you modify that solution to only count the number of unique words in all the documents?
What is the difference between rdbms and hadoop?
how to share the metastore within multiple users?
what are Task Tracker and Job Tracker?
How does NameNode tackle DataNode failures?
What is the purpose of RawComparator interface?
What should be the ideal replication factor in Hadoop Cluster?
What is a 'block' in HDFS?
What is a Task instance in Hadoop? Where does it run?1
What is the InputFormat ?
What is a Secondary Namenode? Is it a substitute to the Namenode?
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