What is the InputFormat ?
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What problems can be addressed by using Zookeeper?
Does google use hadoop?
What is a task instance in hadoop? Where does it run?
Which is the best hadoop certification?
Is it necessary to write jobs for hadoop in the java language?
What are the two main parts of the hadoop framework?
What is a Secondary Namenode? Is it a substitute to the Namenode?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
Is fs.mapr.working.dir a single directory?
What do shuffling do?
What is the use of combiners in the hadoop framework?
Why is Apache Spark faster than Apache Hadoop?
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