What are the different types of Znodes?
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What is HDFS block size and what did you chose in your project?
What is Writable & WritableComparable interface?
Explain the Job OutputFormat?
What is the Use of SSH in Hadoop ?
Explain use cases where SequenceFile class can be a good fit?
How can we change the split size if our commodity hardware has less storage space?
What is difference between regular file system and HDFS?
What does job conf class do?
What are the hadoop's three configuration files?
explain Metadata in Namenode?
What happens to job tracker when namenode is down?
What is difference between split and block in hadoop?
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