They will ask you to explain your project and then will ask questions from that
Hadoop Developer Interview Questions
329 hadoop developer interview questions shared by candidates
Hadoop read and write, scenario base questions
How do you determine the target date format if you don't know the source format How do you migrate the JSON
Basic to project related questions on cloud on architecture and job and responsibilities
Hadoop,Hive and ecosystem , about ptojects and ur role related
The most difficult question was about Nagios and exactly where you need to change the contact email.
Hive Serde to log files like log, double delimiter Tuning Partitioning n bucketing Internal external tables File formats Map redice Joins Tuning Etc
primary key and unique key joins in SQL spark architecture project explanation
Backup and restore of HDF/HDP environments.
HBASE architecture concepts, Spark architecture Concepts, difference between Hbase and Hive, why Hive/Sqoop, concepts of HDFS architecture, current Project, Versions of component, cluster specifications. If you are good at python that would be great.
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