What is Small File Problem in Hadoop? How can it be resolved?
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How will you write a custom partitioner for a Hadoop job?
What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?
What is 'jps'?
What are the functionalities of jobtracer?
What is Reducer in Hadoop?
What are the Hadoop features extended to its eco-system components ?
What are the port numbers of task tracker?
What are the core methods of a Reducer?
what happens when namenode goes down during file read operation in hadoop?
What is throughput in Hadoop?
How would you check whether your NameNode is working or not?
Name the files which are used by the startup and shutdown commands?
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