What is HDFS block size and what did you chose in your project?
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What are different hdfs dfs shell commands to perform copy operation?
Is hadoop open source?
What are the network requirements for using hadoop?
What are the modes in which Apache Hadoop run?
What is hadoop framework?
How to configure hadoop to reuse JVM for mappers?
How many instances of a jobtracker run on hadoop cluster?
How to enable/configure the compression of map output data in hadoop?
Define tasktracker.
What is the difference between rdbms and hadoop?
What is HDFS High Availability?
How to change Replication Factor For below cases ?
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