以 US East (N. Virginia) 为例
S3 Glacier Deep Archive ** - For long-term data archiving that is accessed once or twice in a year and can be restored within 12 hours
S3 Glacier Flexible Retrieval - For long-term backups and archives with retrieval option from 1 minute to 12 hours
S3 Glacier Instant Retrieval *** - For long-lived archive data accessed once a quarter with instant retrieval in milliseconds
Refer to https://aws.amazon.com/s3/pricing/
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