Which command is used for the retrieval of the status of daemons running the hadoop cluster?
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Mention what is the use of Context Object?
What hadoop does in safe mode?
What are the most commonly defined input formats in Hadoop?
What is Input Split in hadoop?
What is hbase in hadoop?
What is the use of Combiner?
What is DistributedCache and its purpose?
What is the purpose of RawComparator interface?
What is keyvaluetextinputformat?
What alternate way does HDFS provides to recover data in case a Namenode
On what basis data will be stored on a rack?
What do slaves consist of?