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Apache Hadoop (394) - MapReduce (354)
- Apache Hive (345)
- Apache Pig (225)
- Apache Spark (991)
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- Apache Cassandra (392)
- Apache Mahout (35)
- Apache Sqoop (82)
- Apache ZooKeeper (65)
- Apache Ambari (93)
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- Apache HDFS Hadoop Distributed File System (214)
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- Hadoop General (407)
Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
Explain how do ‘map’ and ‘reduce’ work?
What is a rack awareness algorithm and why is it used in hadoop?
What is Data Locality in Hadoop?
What are the different clustering in mahout?
What are the prime features of apache zookeeper?
Say when to pick “inward table” and “outside table” in hive?
What is spark reducebykey?
What is network topology strategy?
What is the key- value pair in MapReduce?
when hadoop enter in safe mode?
What do you mean by column family in Cassandra?
Define a namenode?
What is streaming access?
Define sparksession in apache spark? Why is it needed?
Why should we use ‘orderby’ keyword in pig scripts?
