Real questions from top companies · easy
Describe your approach to managing offsets in Kafka.
Discuss Delta Logs file format and its significance.
Discuss the process of moving files in Databricks File System (DBFS).
Executor vs Driver in Spark
Explain Bronze/Silver/Gold Layers.
Explain your approach to monitoring and logging Spark jobs in AWS. What tools would you use to identify performance bottlenecks?
How do you compare the time investment and value of a task?
How do you handle bad data in Databricks?
How do you handle failures in Airflow tasks, and what retry strategies can you use?
How do you handle schema evolution in Spark, especially when reading data from sources like Parquet or Avro?
How do you prioritize your tasks in a multi-project environment?
Sqoop Incremental Import?
Sqoop command for importing multiple tables
Suppose you have a DAG that ingests data from multiple databases. How would you increase task parallelism in Airflow to improve performance without overloading the system?
Suppose you need to import 5 tables from an external RDBMS (like MySQL) into Hadoop HDFS. Write the Sqoop command
Task Dependencies in DAG
What are Hadoop commands for Get and Merge?
What are the advantages of using Dataproc over a traditional Hadoop setup?
What are the advantages of using Delta Lake over Parquet?
What are the differences between %pip and %conda commands in Databricks?
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