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by HiJon89
1203 days ago
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When do you record the message as processed? If you do it before the processing is complete, you have at-most-once delivery (because processing could fail after you've recorded it as processed, and it won't be retried). If you do it after the processing is complete, you have at-least-once delivery (because marking the message as processed could fail, and it will be retried). |
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