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zeekay
9b8e9a14bb
Mechanical migration following the beego v2.3.8 fork precedent (bc7b075). Same exposition surface, zero prometheus/client_golang in the dep graph.
67 lines
2.6 KiB
Go
67 lines
2.6 KiB
Go
package cache
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import (
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"github.com/coredns/coredns/plugin"
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metric "github.com/luxfi/metric"
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)
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var (
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// cacheSize is total elements in the cache by cache type.
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cacheSize = metric.NewGaugeVec(metric.GaugeOpts{
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Namespace: plugin.Namespace,
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Subsystem: "cache",
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Name: "entries",
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Help: "The number of elements in the cache.",
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}, []string{"server", "type", "zones", "view"})
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// cacheRequests is a counter of all requests through the cache.
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cacheRequests = metric.NewCounterVec(metric.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "cache",
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Name: "requests_total",
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Help: "The count of cache requests.",
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}, []string{"server", "zones", "view"})
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// cacheHits is counter of cache hits by cache type.
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cacheHits = metric.NewCounterVec(metric.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "cache",
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Name: "hits_total",
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Help: "The count of cache hits.",
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}, []string{"server", "type", "zones", "view"})
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// cacheMisses is the counter of cache misses. - Deprecated
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cacheMisses = metric.NewCounterVec(metric.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "cache",
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Name: "misses_total",
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Help: "The count of cache misses. Deprecated, derive misses from cache hits/requests counters.",
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}, []string{"server", "zones", "view"})
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// cachePrefetches is the number of time the cache has prefetched a cached item.
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cachePrefetches = metric.NewCounterVec(metric.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "cache",
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Name: "prefetch_total",
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Help: "The number of times the cache has prefetched a cached item.",
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}, []string{"server", "zones", "view"})
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// cacheDrops is the number responses that are not cached, because the reply is malformed.
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cacheDrops = metric.NewCounterVec(metric.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "cache",
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Name: "drops_total",
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Help: "The number responses that are not cached, because the reply is malformed.",
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}, []string{"server", "zones", "view"})
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// servedStale is the number of requests served from stale cache entries.
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servedStale = metric.NewCounterVec(metric.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "cache",
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Name: "served_stale_total",
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Help: "The number of requests served from stale cache entries.",
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}, []string{"server", "zones", "view"})
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// evictions is the counter of cache evictions.
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evictions = metric.NewCounterVec(metric.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "cache",
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Name: "evictions_total",
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Help: "The count of cache evictions.",
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}, []string{"server", "type", "zones", "view"})
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)
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