What is cloudera and why it is used?
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How many maximum jvm can run on a slave node?
What is the purpose of dfsadmin tool?
How is hadoop different from other data processing tools?
What is a namenode? How many instances of namenode run on a hadoop cluster?
Explain the wordcount implementation via hadoop framework ?
How we can change Replication factor when Data is on the fly?
What is the difference between a Hadoop and Relational Database and Nosql?
Did you ever ran into a lop sided job that resulted in out of memory error
How can you overwrite the replication factors in HDFS?
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
Explain how can we change the split size if our commodity hardware has less storage space?
What is speculative execution in Hadoop?
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