Is hadoop required for data science?
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Which one is default InputFormat in Hadoop ?
How hdfa differs with nfs?
What is Schema on Read and Schema on Write?
What other technologies have you used in hadoop sta ck?
Where is the Mapper Output intermediate kay-value data stored ?
What Mapper does?
What do you know about keyvaluetextinputformat?
What is difference between regular file system and HDFS?
What does ‘jps’ command do?
How to enable recycle bin or trash in hadoop?
What is HDFS Block size? How is it different from traditional file system block size?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
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