Explain the core components of hadoop?
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What are the additional benefits YARN brings in to Hadoop?
Which is the best hadoop certification?
On What concept the Hadoop framework works?
What is a Secondary Namenode? Is it a substitute to the Namenode?
How to write a Custom Key Class?
What is Hadoop Custom partitioner ?
What are the basic available commands in Hadoop sqoop ?
Do we need to give a password, even if the key is added in ssh?
What if rack 2 and datanode fails?
what should be the ideal replication factor in hadoop?
how would you modify that solution to only count the number of unique words in all the documents?
Which data storage components are used by hadoop?