What is the use of Combiner?
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Input Split & Record Reader and what they do?
What is difference between split and block in hadoop?
Explain the overview of hadoop history breifly?
What stored in HDFS?
How is the option in Hadoop to skip the bad records?
How does a namenode handle the failure of the data nodes?
Explain the features of stand alone (local) mode?
Explain the basic difference between traditional rdbms and hadoop?
What is formatting of the dfs?
explain Metadata in Namenode?
What is the Use of SSH in Hadoop ?
Can hbase run without hadoop?
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