What is HDFS Block size? How is it different from traditional file system block size?
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Can hive run without hadoop?
Do we need to give a password, even if the key is added in ssh?
How to enable trash/recycle bin in hadoop?
What does job conf class do?
What is version-id mismatch error in hadoop?
How does NameNode tackle DataNode failures?
Explain the Job OutputFormat?
What is hadoop framework?
How many instances of tasktracker run on a hadoop cluster?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What are the network requirements for using hadoop?
Command to format the NameNode?
Define a combiner?
Who invented hadoop?
Explain what is sqoop in Hadoop ?