What is Partioner in hadoop? Where does it run
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Is secondary namenode a substitute to the namenode?
What are the most commonly defined input formats in Hadoop?
Explain the difference between NameNode
How we can change Replication factor when Data is on the fly?
Explain the hadoop configuration files at present?
what is the typical block size of an HDFS block?
What hadoop does in safe mode?
What is the difference between rdbms and hadoop?
What is the port number for NameNode
What is HDFS High Availability?
How the HDFS Blocks are replicated?
What problems can be addressed by using Zookeeper?
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