How the Client communicates with HDFS?
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did you maintain the hadoop cluster in-house or used hadoop in the cloud?
Explain the features of stand alone (local) mode?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
Define a job tracker?
what is SPF?
Can NameNode and DataNode be a commodity hardware?
How many instances of tasktracker run on a hadoop cluster?
Explain the core components of hadoop?
what is a datanode?
What is Your Cluster size ?
How to enable recycle bin in hadoop?
What are sink processors?