Can Hadoop be compared to NOSQL database like Cassandra?
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explain Metadata in Namenode?
What is keyvaluetextinputformat?
On what basis Namenode will decide which datanode to write on?
What do you know about sequencefileinputformat?
What are the core components of Apache Hadoop?
Name the examples of some companies that are using hadoop structure?
What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
How would you tackle counting words in several text documents?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
what should be the ideal replication factor in hadoop?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
What alternate way does HDFS provides to recover data in case a Namenode
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