How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
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How does job tracker schedule a job for the task tracker?
What is High Availability feature in Hadoop2?
How is security achieved in Hadoop?
What type of data hadoop can handle ?
Define data cleansing?
In hadoop_pid_dir, what does pid stands for?
What is fsck?
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If DataNode increases, then do we need to upgrade NameNode in Hadoop?
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