Mention what is the use of Context Object?
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What is 'Key value pair' in HDFS?
How many JVMs run on a slave node?
What are the different types of Znodes?
How many maximum jvm can run on a slave node?
Explain the use of .mecia class?
How can you connect an application
What is a Secondary Namenode? Is it a substitute to the Namenode?
What are the different methods to run Spark over Apache Hadoop?
What are the core components of Apache Hadoop?
What is oozie in hadoop?
How does NameNode tackle DataNode failures?
how would you modify that solution to only count the number of unique words in all the documents?
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