What are the modules that constitute the Apache Hadoop 2.0 framework?
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Is fs.mapr.working.dir a single directory?
Why are the number of splits equal to the number of maps?
Does Hadoop requires RAID?
How the Client communicates with HDFS?
Does the hdfs client decide the input split or namenode?
What is the Use of SSH in Hadoop ?
How can you overwrite the replication factors in HDFS?
How does NameNode tackle DataNode failures?
Is secondary namenode a substitute to the namenode?
What is the best hardware configuration to run Hadoop?
How to enable/configure the compression of map output data in hadoop?
Explain how do ‘map’ and ‘reduce’ works?
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