What is structured data?
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Are Namenode and job tracker on the same host?
How is hadoop different from other data processing tools?
What is Writable & WritableComparable interface?
How to enable recycle bin or trash in hadoop?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
Is hadoop a database?
What if rack 2 and datanode fails?
what is SPF?
Define fault tolerance?
What is the purpose of dfsadmin tool?
Define a daemon?
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