How should the records be stored in Amazon S3 to improve query performance?

A monitoring service generates 1 TB of scale metrics record data every minute. A Research team performs queries on this data using Amazon Athena. The queries run slowly due to the large volume of data, and the team requires better performance.

How should the records be stored in Amazon S3 to improve query performance?
A . CSV files
B . Parquet files
C . Compressed JSON
D . RecordIO

View Answer

Answer: B