S3 · Simple Storage Service
Amazon's object-storage service whose API has become the de facto standard for cloud object storage.
Current numbers
Iceberg (set table_type='ICEBERG'; Athena CTAS defaults to Hive)open table format for AWS Athena/Glue/EMR + S3 Tables; Snowflake + Databricks interop
99.999999999%S3 Standard published annual durability design target; separate from availability, retrieval time and an on-prem erasure-code design
~10x fasterS3 Express One Zone data access vs S3 Standard; up to 80% lower request cost; single-AZ