What daemons run on master nodes?
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Can hadoop handle streaming data?
Explain the core methods of the reducer?
Explain what is storage and compute nodes?
How many InputSplits will be made by hadoop framework?
What is Combiner in Hadoop?
Where is hadoop-env.sh file present?
What is difference between reducer and combiner?
What is Reducer in Hadoop?
what happens when namenode goes down during file read operation in hadoop?
Why does one remove or add nodes in a Hadoop cluster frequently?
If DataNode increases, then do we need to upgrade NameNode?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
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