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Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
Explain HCatLoader APIs?
How does groupbykey work in spark?
What is a local repository and when it is useful while using ambari environment?
What is Flume Client?
What are the parameters used to create a keyspace?
What are the basic steps to writing a UDF Function in Pig?
How do we back up a hbase cluster?
Give a brief overview of Hadoop history?
What are the main components in Hadoop Eco-System and what are their functions ?
What is Block in HDFS?
What do you mean by meta data in hdfs? List the files associated with metadata.
what is difference between int and intwritable?
What is version-id mismatch error in hadoop?
Explain Erasure Coding in Apache Hadoop?
TRIM function in Hive with example?
