caching

Documentation

Index

• type LRUCache
  • func NewLRUCache(m Metrics, label string, maxSize int) *LRUCache
  • func (c *LRUCache) Add(key, value any) (evicted bool)
  • func (c *LRUCache) Get(key any) (value any, ok bool)
• type Metrics

Types

type LRUCache

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

LRUCache wraps hashicorp *lru.Cache and tracks cache metrics

func NewLRUCache

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 (*LRUCache) Add

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

func (*LRUCache) Get

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

type Metrics

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