3 rounds of technical interviews.

(The 3rd round is taken by a senior management person, but only technical questions are asked).

Each interview round takes about 1 to 1.2 hours. You are mostly grilled on the pipeline of your current project and Spark, Sqoop, and Hive.

1. In which scenario Dataframe vs Dataset is needed?
2. msck repair vs drop partition
3. How do you choose the number of mappers in sqoop?
4. Hive regex, merge queries
5. Spark application lifecycle
6. Spark read and parse JSON
7. Cache vs Persist
8. Parquet vs Avro
9. Spark production code deployment process
10. Spark map, filter