Skip to contentSkip to footer

Hadoop Developer Interview Questions

Salaries
Interviews

206 hadoop developer interview questions shared by candidates

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.
avatar

Hadoop Developer

Interviewed at Cognizant

3.5★
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.

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
avatar

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

Viewing 201 - 210 interview questions

Glassdoor has 206 interview questions and reports from Hadoop developer interviews. Prepare for your interview. Get hired. Love your job.