Garbage collection works in a number of configurable ways through the deferred page space allocation policy.

可以通过延迟的分页空间分配策略以多种可配置的方式执行垃圾收集。

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This way, the garbage collector will obtain more breathing space, decreasing the probability of a full GC.

通过这种方式，垃圾收集器将获得更多空间并减少完全GC的可能性。

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The current major version of NILFS is version 2, which is referred to as NILFS2. NILFS2 realized online garbage collection that reclaims disk space with keeping multiple snapshots.

目前NILFS的主版本是第2版，即NILFS2。NILFS2实现了在线的垃圾回收，在保持多个快照的同时回收磁盘空间。

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Johns Hopkins University's Applied Physics Laboratory, a leading space research center, recently conducted feasibility studies into junk-zapping lasers and garbage-collecting rockets.

WSJ: A Cosmic Question: How to Get Rid Of All That Orbiting Space Junk?