Architecture of Hadoop Eco system. Difference between MRV1 and MRV2. Incremental load in hive. Hive partition types and performance improvement using partitions. Details about the prior project experiences. Basics of Linux and shell scripts.
Hadoop Interview Questions
329 hadoop interview questions shared by candidates
nothing specific. Just basic questions on your project.
questions mostly on hive and spark as the mentioned in the JD. different types of joins in hive..map side joins,reduce side joins,bmp,smb, left semi join..some sql queries based on analytical functions. Overall difficulty level was average.
HDFS and Yarn architecture, difference between zookeeper and QJM. Lot of scenario based questions.
They were asking about spark stearming process.
Based on current project and hadoop eco system
How is data taken and modified . transformation and all
General Bigdata questions asked, Batch processing, Data Pipelines etc
Hive engine used SCD type 2 achievement via hive Difference between RDD and DF Optimization techniques in hive Small file issue in hive How to connect to hive via spark HDFS commands (few questions on that) Spark streaming Questions on Partitions
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