Esempio n. 1
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// NewCache returns a physical cache of the given size.
// If no size is provided, the default size is used.
func NewCache(b Backend, size int, logger log.Logger) *Cache {
	if size <= 0 {
		size = DefaultCacheSize
	}
	if logger.IsTrace() {
		logger.Trace("physical/cache: creating LRU cache", "size", size)
	}
	cache, _ := lru.New2Q(size)
	c := &Cache{
		backend: b,
		lru:     cache,
	}
	return c
}