Why are unbound-control local_zone_remove/local_zone/local_data so incredibly slow ?
over at dexia.de
Thu Dec 1 16:53:40 CET 2016
Am 30.11.2016 um 17:41 schrieb Tim Smith via Unbound-users:
> Interesting idea, nice bit of thinking outside the box ! But in
> relation to "should be alright after cache data times out" , does
> that mean that the idea might not work too well if I've got "prefetch:
> yes" in my config ?
In the situation where a cached resolution has been prefetched before
the dump, and that site is supposed to be blacklisted/nullrouted, you'd
add >=90% of the ttl (up to cache-max-ttl) to the time until it blacks
out for good ...
... *unless* unbound either checks local data before the cache, or the
load_cache checks against local data and doesn't taint the cache with
the entries loaded, I'd assume. But essentially, that's beyond my
knowledge of the execution flow... j.
More information about the Unbound-users