What are the different methods to run Spark over Apache Hadoop?
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Define a combiner?
What is Hadoop streaming?
Is fs.mapr.working.dir a single directory?
What is a spill factor with respect to the ram?
how would you modify that solution to only count the number of unique words in all the documents?
How to resolve small file problem in hdfs?
How client application interacts with the NameNode?
Explain how input and output data format of the hadoop framework?
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
What is the full form of fsck?
How many Daemon processes run on a Hadoop system?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?