“我们发现的一个主要教训之一是恢复进程没有被很好地理解，”阿诺德说。
One of the main lessons that we found is that the recovery process is not very well understood, "Arnold says."
这个恢复进程立即开始将脏页从集中式缓冲池预取到它自己的本地缓冲池。
This recovery process instantly begins to prefetch dirty pages from the centralized buffer pool into its own local buffer pool.
当一个成员出故障时， 这些恢复进程中的一个将被激活。
Should a member fail, one of these recovery processes is activated.
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