Amazon DynamoDB Time-to-Live (TTL) enables you to automatically delete expired items from your tables, at no additional cost. Now, you no longer need to deal with the complexity and cost of manually scanning your tables and deleting the items that you don’t want to retain. Instead, you can simply specify an attribute containing the timestamp when each item in your table should expire and DynamoDB will delete the items for you automatically. You can also view and archive items deleted via TTL using DynamoDB Streams.
from What's New http://ift.tt/2lP6Nxc
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