What is the role of the secondary namenode?
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Why we use intwritable instead of int? Why we use longwritable instead of long?
What are some of the characteristics of Hadoop framework?
What is difference between secondary namenode, checkpoint namenode & backupnode?
List of some best tools that can be useful for data-analysis?
Can you explain edge nodes in hadoop?
Define a udf?
What does name-node mean in hadoop?
What does hadoop-env.sh do?
What is purpose of RecordWriter in Hadoop?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
What do you mean by the NameNode High Availability in hadoop?
Do we require two servers for the namenode and the datanodes?
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