What is the problem with small files in Apache Hadoop?
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More Apache Hadoop Interview Questions
How many instances of tasktracker run on a hadoop cluster?
What is Hadoop Custom partitioner ?
What is a heartbeat in HDFS?
How many instances of JobTracker can run on a Hadoop Cluser?
explain Metadata in Namenode?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
How did you debug your Hadoop code ?
Define a combiner?
What are the port numbers of namenode, job tracker and task tracker?
What is the InputFormat ?
Define a datanode?
What do the master class and the output class do?
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