Is hadoop open source?
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More Apache Hadoop Interview Questions
What is unstructured data?
Explain what is the purpose of RecordReader in Hadoop?
What is HDFS ? How it is different from traditional file systems?
How to enable recycle bin or trash in hadoop?
What is the difference between hadoop and other data processing tools?
What happens in a textinputformat?
How does master slave architecture in the hadoop?
What is HDFS block size and what did you chose in your project?
How does an hadoop application look like or their basic components?
Is hadoop obsolete?
How blocks are distributed among all data nodes for a particular chunk of data?
What do sorting do?
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