Real questions from top companies · medium
How do you handle data cleanup and lifecycle management in S3?
How would you optimize an ADF pipeline for high performance?
How would you migrate 1TB of data using ADF?
How would you optimize cost when using AWS for large-scale data processing?
Lambda vs. Glue: Discuss use cases for both services.
What alternatives to Kinesis would you consider for real-time data ingestion?
Calculate a 7-day moving average of orders for each city in the Swiggy database.
Calculate the total number of transactions (units sold) for each product.
Data Shuffling Causes and Techniques
Describe a scenario where you had to optimize a slow-running data pipeline.
Describe the concept of data sharding and when to use it.
Fetch the rows with the highest scores for each student in a year.
Find All Numbers that Appear at Least Three Times Consecutively
Find the names of managers who have at least 7 employees directly reporting to them.
Find top 3 products sold based on total quantity.
Given the data with id, name, and department, how would you calculate how many employees are in each department?
How does cluster size impact parallelism limits?
How would you optimize a slow-running SQL query?
How would you implement custom alarms for data delays or job failures?
Reverse operation for splitting values back to original format
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