后一个是分布式缓存器，当存储空间的容量用光的时候，就需要一种可扩展的机制来存储这些数据。

The latter is a distributed cache since this is where the bulk of storage space is used up, and a scalable mechanism is needed to store the data.

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分布式锁管理机制实现了GOS之间数据访问的同步协调，写通和写—无效的数据更新策略保证了GOS的缓存一致性。

The distributed lock system is used to synchronize GOS steps when accessing data. The consistency of the distributed cache is guaranteed by updating strategies of write-through and write-invalidate.

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