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add zones label to cache metrics (#5124)

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* add zones to cache metrics

Signed-off-by: Elijah Andrews <elijahcandrews@gmail.com>
This commit is contained in:
Elijah Andrews
2022-02-14 12:10:30 -05:00
committed by GitHub
parent d97dbbef61
commit 80195c399f
5 changed files with 35 additions and 31 deletions
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16
plugin/cache/metrics.go vendored
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@@ -14,54 +14,54 @@ var (
Subsystem: "cache",
Name: "entries",
Help: "The number of elements in the cache.",
}, []string{"server", "type"})
}, []string{"server", "type", "zones"})
// cacheRequests is a counter of all requests through the cache.
cacheRequests = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "requests_total",
Help: "The count of cache requests.",
}, []string{"server"})
}, []string{"server", "zones"})
// cacheHits is counter of cache hits by cache type.
cacheHits = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "hits_total",
Help: "The count of cache hits.",
}, []string{"server", "type"})
}, []string{"server", "type", "zones"})
// cacheMisses is the counter of cache misses. - Deprecated
cacheMisses = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "misses_total",
Help: "The count of cache misses. Deprecated, derive misses from cache hits/requests counters.",
}, []string{"server"})
}, []string{"server", "zones"})
// cachePrefetches is the number of time the cache has prefetched a cached item.
cachePrefetches = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "prefetch_total",
Help: "The number of times the cache has prefetched a cached item.",
}, []string{"server"})
}, []string{"server", "zones"})
// cacheDrops is the number responses that are not cached, because the reply is malformed.
cacheDrops = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "drops_total",
Help: "The number responses that are not cached, because the reply is malformed.",
}, []string{"server"})
}, []string{"server", "zones"})
// servedStale is the number of requests served from stale cache entries.
servedStale = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "served_stale_total",
Help: "The number of requests served from stale cache entries.",
}, []string{"server"})
}, []string{"server", "zones"})
// evictions is the counter of cache evictions.
evictions = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "evictions_total",
Help: "The count of cache evictions.",
}, []string{"server", "type"})
}, []string{"server", "type", "zones"})
)