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What is partitioning?
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Is there another way to check whether Namenode is working?
Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
If the hadoop administrator needs to make a change, which configuration file does he need to change?
What are the features of Pseudo mode?
What is the basic difference between traditional RDBMS and Hadoop?
If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
Define data cleansing?
How to debug Hadoop code?
What is the number of default partitioner in hadoop?
What is heartbeat in hadoop?
Can we use windows for hadoop?
Do we require two servers for the namenode and the datanodes?
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