What are the important differences between apache and hadoop?
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How indexing is done in HDFS?
What is the port number for NameNode
How to write a Custom Key Class?
What is crontab? Explain with suitable example?
How you can contact your client everyday ?
In which location Name Node stores its Metadata and why?
What is rack-aware replica placement policy?
Is client the end user in HDFS?
Explain the hadoop configuration files at present?
Explain use cases where SequenceFile class can be a good fit?
How to change replication factor of files already stored in HDFS?
what is the default replication factor in HDFS?