Explain the features of pseudo mode?
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how is a file of the size 1 GB uncompressed
How does a namenode handle the failure of the data nodes?
Can we call vms as pseudos?
How to keep HDFS cluster balanced?
What will you do when NameNode is down?
Can you explain how do ‘map’ and ‘reduce’ work?
How can we change the split size if our commodity hardware has less storage space?
What are the stable versions of Hadoop?
How is security achieved in Apache Hadoop?
What is a heartbeat in HDFS?
What is a Record Reader in hadoop?
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
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