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Question:
An online stocks trading application that stores financial data in an S3
bucket has a lifecycle policy that moves older data to Glacier every
month. There is a strict compliance requirement where a surprise audit
can happen at anytime and you should be able to retrieve the required
data in under 15 minutes under all circumstances. Your manager
instructed you to ensure that retrieval capacity is available when you
need it and should handle up to 150 MB/s of retrieval throughput.Includes this answer as correct:
Use Expedited Retrieval to access the financial data.In explanation you say:
Expedited retrievals allow you to quickly access your data when occasional urgent requests for a subset of archives are required. For all but the largest archives (250 MB+), data accessed using Expedited retrievals are typically made available within 1–5 minutes.However, the question does not indicate the size of the archives we’re retrieving. I realize you mention 150MB/s of retrieval throughput but that doesn’t necessarily mean the archives are that size or smaller.