How job tracker schedules an assignment?
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Why we use intwritable instead of int? Why we use longwritable instead of long?
Can you explain sequence file in hadoop?
Clarify how ordering in hdfs is finished?
What are the main components of hadoop?
How would you check whether your NameNode is working or not?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
Which modes can Hadoop be run in? List a few features for each mode?
What is Erasure Coding in Hadoop?
Explain some important features of hadoop?
Name the most common input formats defined in hadoop?
What happens if the number of reducers is 0 in Hadoop?
How is the splitting of file invoked in Hadoop ?
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