What is check pointing in hadoop?
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Clarify how ordering in hdfs is finished?
Whats the default port that jobtrackers listens ?
Explain how can you check whether namenode is working beside using the jps command?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
Explain small file problem in hadoop
What is job tracker role in hadoop?
What does hadoop-env.sh do?
What is namenode?
Explain how jobtracker schedules a task?
How do you overwrite replication factor?
What are the four modules that make up the Apache Hadoop framework?
What is replication factor?
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