How can I restart namenode?
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Who is a 'user' in HDFS?
Define streaming?
How indexing is done in HDFS?
Explain the features of fully distributed mode?
Are Namenode and job tracker on the same host?
What is speculative execution in Hadoop?
How to write a Custom Key Class?
How to enable recycle bin in hadoop?
What is Schema on Read and Schema on Write?
What do masters consist of?
Which one is default InputFormat in Hadoop ?
Can we do online transactions(oltp) using hadoop?
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