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Hi Sebastian,
Yes, that is correct. You should create the table with memory store retention of four months, ingest the historical data, and then decrease the retention to 24 hours. Amazon Timestream will asynchronously move the historical data to the magnetic tier once you drop the memory store retention window. Note that you should create the table with the four month memory tier retention rather than increasing this limit on an existing table to avoid encountering the behavior described in https://docs.aws.amazon.com/timestream/latest/developerguide/storage.html.
Thanks for your interest and support in Amazon Timestream!
已回答 3 年前
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