How can I restart namenode?
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How blocks are distributed among all data nodes for a particular chunk of data?
What are channel selectors?
Explain the master class and the output class do?
Where is the Mapper Output intermediate kay-value data stored ?
What is nlineoutputformat?
Explain the Job OutputFormat?
what is meaning Replication factor?
Explain Erasure Coding in Apache Hadoop?
how would you modify that solution to only count the number of unique words in all the documents?
What are the modules that constitute the Apache Hadoop 2.0 framework?
What is rack-aware replica placement policy?
Is map like a pointer?