What is unstructured data?
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What are the hadoop's three configuration files?
Does this lead to security issues?
Explain the features of pseudo mode?
Does the hdfs client decide the input split or namenode?
Define a task tracker?
Does google use hadoop?
Why the name ‘hadoop’?
Rack awareness of Namenode?
Define a metadata?
What is the difference between hadoop and other data processing tools?
What is HDFS Block size? How is it different from traditional file system block size?
Explain the Job OutputFormat?
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