Traditionally, distributed garbage collection uses reference counts and pinging for control over the lifetime of objects 传统上,分布式垃圾回收使用引用计数和ping来控制对象的生存期。
This approach uses leases efficiently because very little network traffic is required for distributed garbage collection 由于分布式垃圾回收所需的网络通信量很小,因此这种方法可高效地使用租约。