What is the port number for NameNode
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Explain the overview of hadoop history breifly?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?
Define a commodity hardware? Does commodity hardware include ram?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
What is compute and Storage nodes?
What happens to a namenode, when job tracker is down?
What is the purpose of button groups?
Does Hadoop requires RAID?
What exactly is hadoop?
How many maximum jvm can run on a slave node?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
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