What do you know by storage and compute node?
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How is HDFS fault tolerant?
What is HDFS ? How it is different from traditional file systems?
What is the default block size in hdfs?
What is the meaning of the term "non-DFS used" in Hadoop web-console?
What is InputSplit and RecordReader?
Is hadoop a database?
What is the difference between Apache Hadoop and RDBMS?
If a data Node is full how it's identified?
Define streaming access?
Explain how do ‘map’ and ‘reduce’ works?
How does an hadoop application look like or their basic components?
What is Hadoop?
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Hadoop General (407)