AWS 打算要推出 S3 的新產品，單價更低但反應時間更長的儲存方案：「Coming Soon – S3 Glacier Deep Archive for Long-Term Data Retention」。
設計的客群是對法規有要求的情況：
It is designed for customers — particularly those in highly-regulated industries, such as the Financial Services, Healthcare, and Public Sectors — that retain data sets for 7-10 years or longer to meet regulatory compliance requirements.
看起來是那種 log 丟著就不會去動的情境... (Write once never read？XD)