ringbuffer

const (
	DEFAULT_RING_LEN = 1024
	SMALL_BUF_SIZE   = 1024
	MIDDLE_BUF_SIZE  = 2048
	// By default, the PAGE_SIZE is 4096 Bytes.
	// so may be more efficient for slices?
	BIG_BUF_SIZE = 4096
	// 2MB per HUGE PAGE
	HUGE_PAGE_SIZE = 1024 * 1024 * 2
	// 5 Minute per cleaning period
	SWEEP_POOL_EXPIRE = 300
)

const (
	READING_POOL = iota
	WRITING_POOL
	READING_LEFT
	WRITING_LEFT
)