Save intermediate results in the message tree in order to avoid recalculating them in subsequent nodes.
将中介结果保存在消息树中,以避免在后续节点中进行重新计算。
Subsequent calls to load will retrieve the objects in the same order. Listing 2 shows this capability in action.
随后调用load来以同样的顺序检索这些对象。
But the subsequent request related to order detail goes to server3, because server1 and server2 are busy.
但是由于server1和server 2繁忙,与该订单的详细信息有关的后续请求都被发送到了server3上。
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