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Amazon SDB - Limits PUTs per second explained?

I find the maximum PUT requests for Amazon Simple DB to be 300?

What happens when I throw 500 or 1000 requests on it? Is it queued on the Amazon side, am I getting 504 or should I create my own queue server on EC2?

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The maximum volume of requests is not a fixed number, but a combination of factors. There is a throttling policy for each domain, but there seems to be room for breaking requests before throttling begins. In addition, each SimpleDB node processes many domains, and each domain is processed by several nodes. The load on the node processing your request also affects your maximum request volume. Thus, you can get higher throughput (in general) during non-working hours.

If you send more requests than SimpleDB desires or can serve, you will receive HTTP code 503. 503 Unavailable service responses are common and should be repeated. SimpleDB does not have a request queue.

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Source: https://habr.com/ru/post/1777158/

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