Mention what are the most common input formats defined in hadoop?
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Name the files which are used by the startup and shutdown commands?
What does the high availability of a name-node means? How is it accomplished?
How job tracker schedules an assignment?
According to IBM, what are the three characteristics of Big Data?
What is 'jps'?
What are the important modes of hadoop?
What is namenode?
Clarify how job tracker schedules an assignment?
What is active and passive NameNode in Hadoop?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
In hadoop_pid_dir, what does pid stands for?
What is Erasure Coding in Hadoop?
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