What is MapFile?
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What hadoop does in safe mode?
Can hive run without hadoop?
how would you modify that solution to only count the number of unique words in all the documents?
What is the default block size in hdfs?
Why is hadoop faster?
What is the difference between SQL and NoSQL?
How is hadoop different from other data processing tools?
Define a namenode?
Explain why the name ‘hadoop’?
What is the purpose of DataNode block scanner?
Explain Erasure Coding in Apache Hadoop?
How to resolve IOException: Cannot create directory
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