What is a checkpoint?
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Explain the master class and the output class do?
Where is the Mapper Output intermediate kay-value data stored ?
Name some companies that use Hadoop?
Explain the features of stand alone (local) mode?
What is the purpose of dfsadmin tool?
What is the heartbeat used for?
What is inputformat in hadoop?
how would you modify that solution to only count the number of unique words in all the documents?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
What is the communication channel between client and namenode/datanode?
Can hbase run without hadoop?
What is output format in hadoop?
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