Notice that the error handler for the latter undoes the work of the former so that data is not left in an inconsistent state.
请注意针对后者的错误处理程序可撤销前者所做的工作，以使数据不会处在一种不一致的状态。
The latter option is usually preferable, as it makes less work for the collector and allows the entire cache to be reclaimed with less effort when memory is in high demand.
后一种选项通常更好一些，因为它给垃圾收集器带来的工作更少，并且允许在特别需要内存时以较少的工作回收整个缓存。
Their recommendations for the latter two groups will probably work.
他们为后两组人群所提出的建议可能管用。
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