What is the difference between namenode and datanode in hadoop?
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When should be hadoop archive create?
List out the some common problems faced by data analyst?
Compare Hadoop 2 and Hadoop 3?
What the information segments utilized by hadoop are?
How often do you need to reformat the namenode?
What are the benefits yarn brings in to hadoop?
What are some typical functions of job tracker in hadoop?
Did you ever ran into a lop sided job that resulted in out of memory error, if yes then how did you handled it ?
Explain Erasure Coding in Hadoop?
Is there another way to check whether Namenode is working?
What is winutils hadoop?
Does hadoop follows the unix pattern?
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