cacheflags

type Flags struct {
	Kind cache.Kind
	// LocalCacheSize specifies the number of immutable files to keep in a
	// local lru cache used to speed up searches. Values less than or equal to 0
	// (default), disables local caching of immutable files.
	LocalCacheSize int
	// RedisKeyExpiration is the expiration value used when creating keys.
	// A value of zero (meaning no expiration) should only be used when
	// Redis is configured with a key eviction policy.
	RedisKeyExpiration time.Duration
}