AWS Certified Data Engineer - Associate DEA-C01 — Topic 1 Question 255

Question

A gaming company uses AWS Glue to perform read and write operations on Apache Iceberg tables for real-time streaming data. The data in the Iceberg tables is in Apache Parquet format. The company is experiencing slow query performance. Which solutions will improve query performance? (Choose two.)

Accepted Answer

Correct answer: A, B. The correct answer is A, B. Option A: Use AWS Glue Data Catalog to generate column-level statistics for the Iceberg tables on a schedule. Option B: Use AWS Glue Data Catalog to automatically compact the Iceberg tables. AWS Glue is a serverless ETL and data-catalog service that prepares and integrates data. This option meets the real-time / low-latency performance requirement.

AWS Certified Data Engineer - Associate DEA-C01 — Question 255