What does /var/hadoop/pids do?
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What problems can be addressed by using Zookeeper?
Explain the use of .mecia class?
What is compute and Storage nodes?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
What do slaves consist of?
Explain the basic difference between traditional rdbms and hadoop?
when hadoop enter in safe mode?
Explain the wordcount implementation via hadoop framework ?
What is Disk Balancer in Apache Hadoop?
What are the different types of Znodes?
What are the limitations of importing RDBMS tables into Hcatalog directly?
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