Can you explain speculative execution?
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How ordering in hdfs is finished?
Can you define inputsplit in hadoop?
Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
Can you explain commodity hardware?
What happen when namenode enters in safemode in hadoop?
Explain what is namenode in hadoop?
Mention what are the three modes in which hadoop can be run?
How NameNode tackle Datanode failures in Hadoop?
What are the limitations of Hadoop?
What is purpose of RecordWriter in Hadoop?
How many daemon processes run on a hadoop cluster?
What is the use of recordreader in hadoop?
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