What is the jobtracker and what it performs in a hadoop cluster?
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What happens to a namenode, when job tracker is down?
Is client the end user in HDFS?
how is a file of the size 1 GB uncompressed
How is hadoop different from other data processing tools?
What is Hadoop?
On which port does ssh work?
What is the purpose of dfsadmin tool?
How to keep HDFS cluster balanced?
Explain InputFormat?
shouldn't DFS be able to handle large volumes of data already?
What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
What are the different types of Znodes?
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