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Apache Hadoop (394) - MapReduce (354)
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Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
What do you understand by worker node?
Explain what is difference between an input split and hdfs block?
Is spark a language?
what factors the block size takes before creation?
What are the Data types in Pig?
What happen when namenode enters in safemode in hadoop?
What is a "reducer" in Hadoop?
Will various customers write into an hdfs record simultaneously?
What is the use of cassandra cql collection?
Explain textFile Vs wholeTextFile in Spark?
How apache spark works?
What is the use of rdd in spark?
What is Spark Streaming?
What is the difference between spark and scala?
List the benefits of Spark over MapReduce.
