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Incorrect definition of backoff rate in stepfunctions
Hi Brian,
I was looking at your article (https://brianklaas.net/aws/coldfusion/2019/05/31/Using-AWS-Step-Functions-In-CFML-Part-10.html) and found a wee inconsistency.
you indicate:
"BackoffRate is the number of seconds Step Functions will add to each IntervalSeconds on each subsequent retry beyond the first. This means that Step Functions will wait 30 seconds before the first retry, 40 seconds before the second, and 50 seconds before the third. Including service call backoff (and, specifically, exponential backoff) is a best practice when designing resilient systems."
but AWS indicates
"BackoffRate (Optional)
The multiplier by which the retry interval increases during each attempt (2.0 by default)."
So, for you example:
"Retry": [
{
"ErrorEquals": [ "States.ALL" ],
"IntervalSeconds": 30,
"MaxAttempts": 3,
"BackoffRate": 10
}
]
This will retry after 30s, then after 300s and then it will timeout as it is more than the 15 minutes limit.
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