How to measure cache hit resolution time in unbound 1.24.1

[Daisuke HIGASHI]

sir izake via Unbound-users <unbound-users at lists.nlnetlabs.nl>:

> Just wanted to find out if there is a way to measure the cache hit
> resolution time in a dashboard?
>

Unbound has no facility to measure cache hit resolution time.

A method to measure cache hit time is to make query to names which always
resolved with cache hit e.g. “dig -t NS . “; If the resolver is too busy
and queries always remain stuck in its receive queue, its response (even
for cache hit) would be delayed due to the queue dwell time, and queries
may even be dropped.
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