What does the high availability of a name-node means?
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How to create a user in Hadoop?
What does the high availability of a name-node means?
Explain Erasure Coding in Hadoop?
Why do we need Hadoop?
What happens if you don?t override the mapper methods and keep them as it is?
What are the different commands used to startup and shutdown Hadoop daemons?
What happen when namenode enters in safemode in hadoop?
what is next step after mapper or maptask?
What is Rack Awareness? What is its need in Hadoop?
Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?
Explain how Hadoop cluster hardware planning and provisioning is done?
What are the Features of Hadoop?
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