Hadoop Engineer Interview Questions

329 hadoop engineer interview questions shared by candidates

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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Hadoop Developer

Interviewed at UST

3.8
Dec 8, 2020

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

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.
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Hadoop Developer

Interviewed at Cognizant

3.9
Jan 27, 2017

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.

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.
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Hadoop Developer

Interviewed at Cognizant

3.9
Mar 16, 2020

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.

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