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Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
explain Metadata in Namenode?
What are watches?
What are the core components of Apache Hadoop?
Is it necessary to write jobs for hadoop in the java language?
Can the balancer be run while Hadoop is in use?
What's the best way to copy files between HDFS clusters?
What is formatting of the dfs?
What do you understand from Node redundancy and is it exist in hadoop cluster?
What is version-id mismatch error in hadoop?
What is inputsplit in hadoop? Explain.
What does the command mapred.job.tracker do?
How you can contact your client everyday ?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
Explain the wordcount implementation via hadoop framework ?
What do slaves consist of?
