What are 'slaves' and 'masters' in Hadoop?
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When should be hadoop archive create?
What does rack awareness mean?
How Hadoop is cost-effective?
Is hadoop still in demand?
What happens if the number of reducers is 0 in Hadoop?
Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?
What are the port numbers of task tracker?
What is the use of recordreader in hadoop?
What happen when namenode enters in safemode in hadoop?
what is next step after mapper or maptask?
What webdav is in hadoop?
Can we deploy job tracker other than name node?
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