我很想了解如何对 incremental export 进行费用预估。 https://aws.amazon.com/blogs/database/introducing-incremental-export-from-amazon-dynamodb-to-amazon-s3/ 其中介绍到：Pricing is based on the size of data processed to create each incremental export. This size is based on the amount of change logs a table generates. If you have a very active table with many writes, it will have more change logs, and the incremental export cost will be proportional to that activity. 但是如何看到 change logs 有多大呢？似乎也是没法看到的。但是我的理解是，如果 ...