What is crontab? Explain with suitable example?
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What is HDFS - Hadoop Distributed File System?
Where is the Mapper Output intermediate kay-value data stored ?
What is Derby database?
What does the command mapred.job.tracker do?
If a data Node is full how it's identified?
Is hadoop the future?
Explain the shuffle?
Explain how input and output data format of the hadoop framework?
What is oozie in hadoop?
What is NoSQL?
How to use Apache Zookeeper command line interface?
What are the different methods to run Spark over Apache Hadoop?
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