Mention what daemons run on a master node and slave nodes?
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What does the high availability of a name-node means? How is it accomplished?
Explain what is hadoop?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
Can you explain edge nodes in hadoop?
Which language is more suitable for text analytics? R or python?
Explain the difference between an inputsplit and a block?
Explain Data Locality in Hadoop?
Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?
What is LazyOutputFormat in Hadoop?
What is a Heartbeat in Hadoop?
Explain InputSplit in Hadoop?
Why do we need hadoop for big data analytics?
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