diff options
Diffstat (limited to 'plugin/cache/cache.go')
| -rw-r--r-- | plugin/cache/cache.go | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/plugin/cache/cache.go b/plugin/cache/cache.go index 2a56500a3..5673cc948 100644 --- a/plugin/cache/cache.go +++ b/plugin/cache/cache.go @@ -190,7 +190,9 @@ func (w *ResponseWriter) set(m *dns.Msg, key uint64, mt response.Type, duration switch mt { case response.NoError, response.Delegation: i := newItem(m, w.now(), duration) - w.pcache.Add(key, i) + if w.pcache.Add(key, i) { + evictions.WithLabelValues(w.server, Success).Inc() + } // when pre-fetching, remove the negative cache entry if it exists if w.prefetch { w.ncache.Remove(key) @@ -198,7 +200,9 @@ func (w *ResponseWriter) set(m *dns.Msg, key uint64, mt response.Type, duration case response.NameError, response.NoData, response.ServerError: i := newItem(m, w.now(), duration) - w.ncache.Add(key, i) + if w.ncache.Add(key, i) { + evictions.WithLabelValues(w.server, Denial).Inc() + } case response.OtherError: // don't cache these |