What is DistributedCache and its purpose?
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How to restart Namenode?
How to use Apache Zookeeper command line interface?
What is the port number for NameNode
What does /var/hadoop/pids do?
Explain why the name ‘hadoop’?
Explain Erasure Coding in Apache Hadoop?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
What is compute and Storage nodes?
What are different hdfs dfs shell commands to perform copy operation?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
what should be the ideal replication factor in hadoop?
what are the nodes in the Hadoop cluster?
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