What problems can be addressed by using Zookeeper?
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How to change replication factor of files already stored in HDFS?
Define a datanode?
What is the problem with HDFS and streaming data like logs
Is it possible to provide multiple inputs to hadoop? If yes, explain.
How we can take Hadoop out of Safe Mode?
What do the master class and the output class do?
what is meaning Replication factor?
Define a namenode?
What are the Basics of Hadoop?
Main Components of Hadoop?
How to use Apache Zookeeper command line interface?
What is a speculative execution in Apache Hadoop MapReduce?
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