What is nlineoutputformat?
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Is it possible to provide multiple inputs to hadoop? If yes, explain.
What is the use of combiners in the hadoop framework?
Does the hdfs client decide the input split or namenode?
Whats is distributed cache in hadoop?
What is HDFS Block size? How is it different from traditional file system block size?
What are the stable versions of Hadoop?
How to restart Namenode?
What is safe mode in Hadoop?
Is it necessary to write jobs for hadoop in the java language?
Is map like a pointer?
what is the typical block size of an HDFS block?
Does hadoop always require digital data to process?
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