Aws Glue Interview Questions

19 real Aws Glue questions asked in live technical interviews — each with a model answer. Updated weekly.

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Are there multiple popular ETL tools in the market such as Informatica, Talend, AWS Glue, and Azure Data Factory? Tech giants like Amazon, Google, Microsoft, IBM, and Deloitte use these ETL products to create scalable data pipelines. Can you explain the ETL process?🟡 Medium · Conceptual · Asked 1×Is AWS Glue used for real‑time data batch processing, and are we using the same Glue service for handling both batch and streaming workloads?🟡 Medium · Conceptual · Asked 1×Is AWS Glue's DynamicFrame applicable in Apache Spark?🟢 Easy · Conceptual · Asked 1×What are the advantages of using DynamicFrame over DataFrame in AWS Glue?🟡 Medium · Conceptual · Asked 1×Can Glue be replaced with Athena? What other tools can replace Glue? What is the basic use of Glue? What is the main use of Glue in a project? Since EMR can also be used and is less costly, is there any particular reason to use Glue?🟡 Medium · Conceptual · Asked 1×In a scenario where a file is written into S3, how would you trigger an AWS Glue job that takes the file as an input argument? What steps would you follow?🟡 Medium · Conceptual · Asked 1×Explain how you would design an end-to-end data pipeline using AWS Glue, from S3 to a data warehouse, including staging, transformation, and final loading.🔴 Hard · System Design · Asked 1×Suppose 100 GB of files arrive in an S3 bucket every day and need to be processed and loaded into a data warehouse. Which AWS services would you use and why? Consider factors such as flexibility, cost, scalability, and error recovery.🔴 Hard · System Design · Asked 1×What is the difference between AWS Glue and Apache Spark?🟡 Medium · Conceptual · Asked 1×Explain job orchestration. In job orchestration, there are various methods such as Airflow, Glue, Lambda, Step Functions, etc. Can you explain when you would use each?🟡 Medium · Conceptual · Asked 1×How does a DPU help improve Glue jobs?🟢 Easy · Conceptual · Asked 1×Have you worked on Apache Iceberg and handled AWS Glue tables?🟡 Medium · Behavioral · Asked 1×Have you used Glue Studio?🟢 Easy · Conceptual · Asked 1×What is AWS Glue about? Why use it? What are its advantages?🟡 Medium · Conceptual · Asked 1×How does the bridge between the raw S3 bucket and the first Glue job work, and how does the first Glue job trigger the second Glue job? What events are involved?🟡 Medium · Conceptual · Asked 1×Is the second Glue job being triggered?🟢 Easy · Conceptual · Asked 1×What are the three layers of buckets in a data lake, and how does an S3 event trigger an AWS Glue job that cleans data and loads it into the silver layer?🟡 Medium · Conceptual · Asked 1×Is there a way to use SQS and SNS to trigger Glue function 2 from Glue function 1?🟡 Medium · Conceptual · Asked 1×I understand the complete pipeline again. I'm asking the same question: Is there an optimized solution to avoid dropping a completion status file to an S3 folder, and instead trigger a second Glue function from the first one?🟡 Medium · Conceptual · Asked 1×

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