What is heartbeat in hdfs?
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What are the benefits of Spark over MapReduce?
How to specify more than one directory as input to the MapReduce Job?
Different ways of debugging a job in MapReduce?
How many InputSplits is made by a Hadoop Framework?
what are the most common input formats defined in Hadoop?
What is the role of a MapReduce partitioner?
List out Hadoop's three configuration files?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
What is MapReduce? What are the syntax you use to run a MapReduce program?
Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
Explain about the partitioning, shuffle and sort phase in MapReduce?
What are the key differences between Pig vs MapReduce?
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