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In the test, the intervals of the requests are assumed to follow the exponential distribution. Each request takes a time drawn from a log-normal distribution. By adjusting the shape of the log-normal distribution, we can test different timeout rate.

The tick size is 1ms and the wheel size is 20. The timeout was set to 200ms. The data size of a request was 100 bytes. For a low timeout case, we chose 75percentile = 60ms and 50percentile = 20. And for a high timeout case, we chose 75percentile = 400ms and 50percentile = 200ms.

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