What is the use of combiners in the hadoop framework?
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What is the best hardware configuration to run Hadoop?
Explain how do ‘map’ and ‘reduce’ works?
How to change replication factor of files already stored in HDFS?
What is the default block size in hdfs?
Knox and Hadoop Development Tools?
What is a heartbeat in HDFS?
what is the typical block size of an HDFS block?
Define a daemon?
What stored in HDFS?
What problems have you faced when you are working on Hadoop code?
Give the use of the bootstrap panel.
what is difference between int and intwritable?
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