Name the examples of some companies that are using hadoop structure?
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What is the purpose of RawComparator interface?
Can NameNode and DataNode be a commodity hardware?
Explain why do we need hadoop?
What problems can be addressed by using Zookeeper?
What is Schema on Read and Schema on Write?
What is crontab? Explain with suitable example?
How can you connect an application
What is the use of Combiner?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
What is difference between regular file system and HDFS?
What platform and java version are required to run hadoop?
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