caching

package

v1.1.4 Latest Latest Go to latest Published: Aug 16, 2023 License: MIT, MIT Imports: 1 Imported by: 0

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type LRUCache struct {
	// contains filtered or unexported fields
}

LRUCache wraps hashicorp *lru.Cache and tracks cache metrics

func NewLRUCache(m Metrics, label string, maxSize int) *LRUCache

NewLRUCache creates a LRU cache with the given metrics, labeling the cache adds/gets. Metrics are optional: no metrics will be tracked if m == nil.

func (c *LRUCache) Add(key, value any) (evicted bool)

func (c *LRUCache) Get(key any) (value any, ok bool)

type Metrics interface {
	CacheAdd(label string, cacheSize int, evicted bool)
	CacheGet(label string, hit bool)
}