66 lines
1.3 KiB
Go
66 lines
1.3 KiB
Go
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package cache
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import "sync/atomic"
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// cacheMetrics 缓存指标
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type cacheMetrics struct {
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hit atomic.Int64
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miss atomic.Int64
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decodeError atomic.Int64
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setError atomic.Int64
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invalidate atomic.Int64
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}
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// metrics 全局缓存指标实例
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var metrics cacheMetrics
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// MetricsSnapshot 指标快照
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type MetricsSnapshot struct {
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Hit int64
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Miss int64
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DecodeError int64
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SetError int64
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Invalidate int64
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}
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// GetMetricsSnapshot 获取当前指标快照
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func GetMetricsSnapshot() MetricsSnapshot {
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return MetricsSnapshot{
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Hit: metrics.hit.Load(),
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Miss: metrics.miss.Load(),
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DecodeError: metrics.decodeError.Load(),
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SetError: metrics.setError.Load(),
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Invalidate: metrics.invalidate.Load(),
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}
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}
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// recordHit 记录缓存命中
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func recordHit() {
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metrics.hit.Add(1)
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}
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// recordMiss 记录缓存未命中
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func recordMiss() {
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metrics.miss.Add(1)
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}
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// recordDecodeError 记录解码错误
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func recordDecodeError() {
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metrics.decodeError.Add(1)
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}
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// recordSetError 记录设置错误
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func recordSetError() {
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metrics.setError.Add(1)
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}
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// recordInvalidate 记录缓存失效
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func recordInvalidate() {
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metrics.invalidate.Add(1)
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}
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// recordInvalidateMultiple 记录多个缓存失效
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func recordInvalidateMultiple(count int64) {
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metrics.invalidate.Add(count)
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}
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