What is replication factor?
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Can you explain sequence file in hadoop?
What are the side data distribution techniques?
How many datanodes can run on a single Hadoop cluster?
Can you give some examples of Big Data?
In which location name node sores its metadata and why?
What happen when namenode enters in safemode in hadoop?
What happens when two clients try to access the same file in the hdfs?
Is hadoop still in demand?
Comparison between Secondary NameNode and Checkpoint Node in Hadoop?
What are the most common OutputFormat in Hadoop?
How often DataNode send heartbeat to NameNode in Hadoop?
What is meant by streaming access?
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