[Unbound-users] getting to SERVFAIL faster
tim at eudaemon.net
Wed Jan 30 22:34:11 UTC 2013
I run a service that performs a lot of concurrent DNS queries, primarily big batches of PTR lookups. I've prototyped and tested using unbound, and double-pass it's good.
I have one issue, which is that ~95% of lookups I'm performing resolve quickly, but the remaining 5% can take upwards of a minute to return "SERVFAIL". For my application, I'd like to put in a ceiling of ~dozen seconds before shutting down the batch and returning "SERVFAIL".
I'm happy to dig in and create a patch if necessary. If this is the route to go, I'd much appreciate some pointers on design/code-placement to get started.
Thank you much!
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