What is Writable & WritableComparable interface?
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How blocks are distributed among all data nodes for a particular chunk of data?
How is HDFS fault tolerant?
Explain the wordcount implementation via hadoop framework ?
explain Metadata in Namenode?
What Mapper does?
What are the additional benefits YARN brings in to Hadoop?
What is Hadoop serialization?
What is the problem with HDFS and streaming data like logs
What is the use of Combiner?
Which are the two types of 'writes' in HDFS?
What is the difference between HDFS and NAS ?
Is hadoop the future?
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