To obtain best load balance, the copies assignment is dynamic and according to system statistics data to trigger copies increasing or reducing, and perhaps copies migrating.

而副本的分配是动态的，其处理准则是根据系统的访问统计数据，触发对系统副本的添加或者是减少，或者是副本的迁移，从而达到最佳的负载平衡。

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Luckily, several tools and best practices are available to decrease response and load times for a much snappier experience.

幸运的是，一些工具和最佳实践可用于缩短响应和加载时间，提供更加流畅的体验。

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If you cannot identify a working set ahead of time, then a lazy load is the next best option for filling a cache.

如果您不能及早识别一个工作集，则延迟加载就是填补缓存的下一个最佳选择。

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Because a consumer would be able to see when electricity prices are cheapest, he could decide that, say, 10 a.m. is the best time to do a load of laundry.

FORBES: Magazine Article