What is Hadoop Custom partitioner ?
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What are the main components of a Hadoop Application?
How the HDFS Blocks are replicated?
What is the full form of fsck?
Explain the wordcount implementation via hadoop framework ?
How to resolve small file problem in hdfs?
How does a namenode handle the failure of the data nodes?
How can you overwrite the replication factors in HDFS?
Does the hdfs client decide the input split or namenode?
What is keyvaluetextinputformat?
Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
What is speculative execution in Hadoop?
Explain the features of fully distributed mode?
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