Github user jpeach commented on the pull request: https://github.com/apache/trafficserver/pull/407#issuecomment-173966588 > Actually you can have simple retry and dead server retry enabled at the same time Sure, but not in the same transaction. The transaction override would be to set the policy. For example, it is not obvious to an operator what the behavior should be if *both* policies were enabled at the same time. If there is a single configuration setting this situation cannot arise. > The parsing of the response code string is because all the settings are overridable by delivery service. Sure, but in the common case, the settings can be parsed once and reused for many transactions. You don't even need to parse them in the context of the HTTP transaction, you can do the parsing in the configuration override API.
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