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plugin/forward: add hit/miss metrics for connection cache (#4114)

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Signed-off-by: Ruslan Drozhdzh <rdrozhdzh@infoblox.com>
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Ruslan Drozhdzh 2020-09-14 12:42:55 +03:00 • committed by GitHub
parent 2fe5d684f9
commit 30a4a87eaa
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3 changed files with 18 additions and 2 deletions
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12
plugin/forward/metrics.go
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@ -52,4 +52,16 @@ var (
Name: "max_concurrent_rejects_total",
Help: "Counter of the number of queries rejected because the concurrent queries were at maximum.",
})
ConnCacheHitsCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "conn_cache_hits_total",
Help: "Counter of connection cache hits per upstream and protocol.",
}, []string{"to", "proto"})
ConnCacheMissesCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "conn_cache_misses_total",
Help: "Counter of connection cache misses per upstream and protocol.",
}, []string{"to", "proto"})
)